Maximo Camacho

Publications

2024. Forecasting recessions after the Covid-19 pandemic (with Salvador Ramallo, and Manuel Ruiz). In Oxford Bulletin of Economics and Statistics, forthcoming. Download the paper. Download the R codes that replicate the results.
Abstract. Due to the economic recession of the COVID-19 pandemic, industrialized economies recorded in 2020 the biggest quarterly fall and the largest quarterly rebound in GDP since records began. As a result, the traditional parametric techniques used to forecast recession probabilities from GDP data become unsettled by these few but highly influential observations. This paper proposes a new approach to compute predictive probabilities of future recessions that is robust to influential data and other data irregularities. In sum, the method consists on simulating forecasts of GDP from all the past vectors of observations of given size, which are embedded into a symbolic space to weight the forecasts by the probability of the symbols. Using data of GDP for the G7 countries, we show that our nonparametric proposal outperforms other linear and nonlinear parametric approaches as classifiers of future national business cycle phases
2024. Quantifying the impact: Are coastal areas impoverished by marine pollution? (with Genoveva Aparicio and Mariluz Mate). In Ecological Economics 221: 108213. Download the paper. Download the R codes that replicate the results.
Abstract. We propose a methodological framework to assess the causal impact of Harmful Algal Bloom (HAB) events on economic indicators at a territorial level, with  epecial consideration for spatial effects. Using the Mar Menor region in Spain as a case study, we empirically apply our framework. Our findings indicate a significantly negative causal effect of marine pollution resulting from HAB events on income per capita at the census section level. We observe that this effect is exacerbated by spatial interactions among neighboring census sections adjacent to those directly affected by seawater degradation. These results underscore the importance of implementing effective environmental regulations to mitigate seawater pollution and proactive measures to safeguard the well-being of local populations. Our research provides valuable insights for future studies in similar coastal regions.
2024. An inquiry into the drivers of an entrepreneurial economy: A Bayesian clustering approach (with Emilio Congregado and Ana Rodríguez-Santiago). In Journal of Evolutionary Economics, forthcoming. Download the paper.
Abstract. Understanding the worldwide drivers of qualified entrepreneurship is a key issue in economic policy design. To help policy decisions exert their intended impact, we aim to cluster a wide range of countries on the basis of their levels and trends in self-employment productivity using a finite mixture model applied to a new large dataset of 121 countries covering the period of 1991-2019. Our results point to three groups of high-, medium-, and low-productive means and tendencies, the geographical distribution of which suggests that they can be reinterpreted using the three stages of economic development, namely, innovation-, efficiency-, and factor-driven economies. Notably, we find that widespread digitalization and low unemployment enhance the probability of transitioning into a highly productive cluster. However, we failed to find that industry weight or employment protection legislation strictness serve as determinants in the transition between groups. Suggestive rationales for these results and implications for the entrepreneurship policy agenda are also provided.
2023. Econometric methods for business cycle dating (with Lola Gadea). In Oxford Research Encyclopedia of Economics and Finance December 2023: 1-43. Download the paper. Download the codes to replicate the results.
Abstract. Business cycle dating helps in developing economic analysis and is useful for economic agents whether they be policy makers, investors or academics. This paper reviews old and recent research on dating the reference cycle turning points and is intended as a guide to the applied researcher. All these methods provide a statistical alternative to cycle dating committees, although full automatism and researcher’s art could be complements rather than substitutes in some dating scenarios. Our survey divides the dating literature into two groups with different approaches to dating the business cycle from a set of coincident economic indicators: averagethen-date or date-then average. In both cases, the dating techniques can be divided into nonparametric and parametric. The paper shows the theoretical foundations of both types of techniques and describes in detail the algorithms or estimation methods necessary for their implementation. Finally, the paper describes empirical applications of the different methods with data of different frequencies, trying to show how they work in practice and pointing out their advantages and disadvantages. This empirical illustrations include a compilation of the codes in different languages (R, Matlab or Gauss). In our opinion, future research should focus on developing methods that are robust to changes in volatility or large outliers and on exploring the usefulness of big data sources and the classification ability offered by machine learning methods.
2023. A dynamic factor model to predict homicides with firearm in the United States (with Maurizio Porfiri, Salvador Ramallo, and Manuel Ruiz).  In Journal of Criminal Justice 86: 102051. Download the paper. All data and codes are available at Github. Media coverage: PHSORG.
Abstract. This study establises a reliable statistical tool to predict homicides with firearm at a monthly resolution, combining official data and easy-to-access explanatory variables. Specifically, we propose a dynamic factor model to predict homicides with firearm from 1999 to 2020 using official monthly data released yearly by the Centers for Disease Control and Prevention, provisional quarterly data from the same agencies, media output from newspapers, and crowdsourced information from the Guns Violence Archive. Our statistical findings demonstrate that the dynamic factor model outperforms state-of-the-art techniques (AI and classical autoregressive models). The dynamic factor model offers improved ability to backcast, nowcast, and forecast homicides with firearm, and can anticipate sudden changes in the time-series.
2023. What drives industrial energy prices? (with Angela Caro and Daniel Peña). In Economic Modelling 120: 106158. Download the paper. Download Matlab codes to replicate the results.
Abstract. Understanding whether the drivers of industrial energy prices are worldwide, group-specific or country-specific is a key issue in economics. This requires flexible econometric models to examine large data sets containing a significant variety of industrial sectors in different countries. To this end, we propose an extension of a dynamic factor model with group structure to account for observable country-specific explanatory variables and develop Monte Carlo simulations to show its good finite sample performance. Using data from 12 industrial sectors in 30 countries during the period from 1995 to 2015, we find three drivers of energy prices: (i) a common factor, the main driving force, captures the worldwide dynamics; (ii) country-specific variables, mainly related to inflation and the use of renewable and waste resources; and (iii) group-specific factors, which are more related to country affiliation than to sector classification.
2023. Factor models for large and incomplete data sets with unknown group structure (with  German Lopez-Buenache). In International Journal of Forecasting, 39: 1205-1220. Download the paper. Download R codes to replicate the results.
Abstract. Most economic applications rely on a large number of time series, which are typically drawn with a remarkable clustering structure and available over different spans. To handle these databases, this paper combines the Expectation-Maximization (EM) algorithm outlined by Stock and Watson (2002) and the estimation algorithm for large factor models with an unknown number of group structures and unknown membership advocated by Ando and Bai (2016, 2017). Several Monte Carlo experiments are used to show the good performance of the proposal to determine the correct number of clusters, to provide the right number of group-specific factors, to identify error-free group membership and to perform accurate estimates of the unobserved missing data. In addition, we find that our proposal substantially outperforms the standard EM algorithm  when the data exhibit grouped factor structure. Using the Federal Reserve Economic Data FRED-QD, our procedure detects two distinct groups of macroeconomic indicators: the real activity indicators and the nominal indicators. We illustrate the usefulness of our group-specific factor model for the study of business cycle chronology and for forecasting purposes.
2023. Tourism and GDP short-run causality revisited: a Symbolic Transfer Entropy approach (with Andres Romeu).  In Tourism Economics 29: 235-247. Download the paperDownload Matlab codes to replicate the results.
AbstractWe employ a symbolic transfer entropy panel data test in a large-scale data set to provide new insights on the worldwide short-term causality relations between growth and inbound tourists. Using a large data set on 145 countries from the World Bank Open Data website, we show that, despite the evidently strong correlation between these two magnitudes, claiming that the increases in inbound tourists Granger-cause positive shocks in GDP is not supported by the data. By contrast, the data seem to point out in the direction of a reverse causality in that it is GDP growth what drives international inbound tourists in the short run.
2022. A new approach to dating the reference cycle. (with Lola Gadea and Ana Gomez-Loscos). In Journal of Business and Economic Statistics 40: 66-81. Working paper n. 1914 at the Central Bank of Spain series. Download the paperDownload Matlab codes to replicate the results of the US empirical analysis. Download Matlab codes for an application to Spain.
Abstract. This paper proposes a new approach to the analysis of the reference cycle turning points, defined on the basis of the specific turning points of a broad set of coincident economic indicators. Each individual pair of specific peaks and troughs from these indicators is viewed as a realization of a mixture of an unspecified number of separate bivariate Gaussian distributions whose different means are the reference turning points. These dates break the sample into separate reference cycle phases, whose shifts are modeled by a hidden Markov chain. The transition probability matrix is constrained so that the specification is equivalent to a multiple changepoint model. Bayesian estimation of finite Markov mixture modeling techniques is suggested to estimate the model. Several Monte Carlo experiments are used to show the accuracy of the model to date reference cycles that suffer from short phases, uncertain turning points, small samples and asymmetric cycles. In the empirical section, we show the high performance of our approach to identifying the US reference cycle, with little difference from the timing of the turning point dates established by the NBER. In a pseudo real-time analysis, we also show the good performance of this methodology in terms of accuracy and speed of detection of turning point dates.
2021. Evaluating OECD’s main economic indicators at anticipating recessions (with Gonzalo Palmieri). In Journal of Forecasting 40: 80-93. Download the paper.
Abstract. Using Receiver Operating Characteristic (ROC) techniques, we evaluate the predictive content of the monthly OECD's main economic indicators for predicting both growth-cycle and business-cycle recessions at different horizons. From a sample that covers the 35 OECD countries as well as for Brazil, China, India, Indonesia, Russian Federation and South Africa, our results suggest that the indicators perform better at anticipating business cycles than growth cycles. Although the performance for OECD and non OECD members is similar in terms of timeliness, the indicators are more accurate to anticipating recessions for OECD members.  inally, we find that single indicators, such as interest rates, spreads and credit indicators, perform better than the composite
leading indicators.
2021. Symbolic transfer entropy test for causality in longitudinal data (with Andres Romeu and Manuel Ruiz). In Economic Modelling, 94: 649-661. Download the paperDownload Matlab codes to replicate GDP-Expenditures analysisFirm productivity-size analysis, and Fitch-growth and Fitch-interest rate analyses.
Abstract. In this paper, we use multiple-unit symbolic dynamics and the concept of transfer entropy to develop a non-parametric Granger causality test procedure for longitudinal data. Monte Carlo simulations show that our test displays the correct size and large power in situations where linear panel data causality tests fail such as when the linearity assumption breaks down, when the data generating process is heterogeneous across the cross-section units or presents structural breaks, when there are extreme observations in some of the cross-section units, when the process displays causal dependence in the conditional variance and when the analysis involves qualitative data. We illustrate the usefulness of our proposal with the analysis of the dynamic causal relationships between public expenditure and GDP, between firm productivity and firm size in US manufacturing sectors, and among sovereign credit rating, growth and interest rates.
2021. Price and spatial distribution office rental in Madrid: a decision tree analysis (with  Salvador Ramallo and Manuel Ruiz). In Economia 44: 20-40. Download the paper.
Abstract. In this paper, we assess the drivers office rental prices in the municipality of Madrid with a sample of 4,721 offices in March, 2020. The estimation was performed using the decision tree approach, which was built with a random forest algorithm. This technique allows us to capture the strong nonlinear component in the relation between price and its drivers, mainly geospatial location. Through a stratified analysis, we find that the willingness to pay high rent in the center of Madrid is a feature of particular relevance to medium-sized offices. For different reasons, we also find some office clusters located far from the city center with high rent for both large and small offices.
2020. The two-speed Europe in business cycle synchronization. (with Angela Caro and German Lopez-Buenache). Download the paper. In Empirical Economics 59: 1069-1084. Download GAUSS codes to replicate the results.
Abstract. This paper examines the effect of the financial and sovereign debt crises on the evolution of the business cycle synchronization among all the Euro Area members. Combining dynamic factor models with Markov-switching methodologies, we find that the Euro Area countries have recovered the level of business cycle synchronization exhibited before the Great Recession. However, we detect significant differences across countries in the required time to recover those levels.
2019. Inference on filtered and smoothed probabilities in Markov-switching autoregressive models. (with Rocio Alvarez and Manuel Ruiz). In Journal of Business and Economic Statistics 37: 484-495. Download the paper. Download Matlab codes to replicate in-sample business cycle analysis, real-time business cycle analysis, and interest rate analysis.
Abstract. We derive a statistical theory that provides useful asymptotic approximations to the distributions of the single inferences of filtered and smoothed probabilities, derived from time series characterized by Markov-switching dynamics. We show that the uncertainty in these probabilities diminishes when the states are separated, the variance of the shocks is low, and the time series or the regimes are persistent. As empirical illustrations of our approach, we analyze the U.S. GDP growth rates and the U.S. real interest rates. For both models, we illustrate the usefulness of the confidence intervals when identifying the business cycle phases and the interest rate regimes.
2019. Do economic recessions cause inequality to rise? (with Gonzalo Palmieri). In Journal of Applied Economics 22: 304-320. Download the paper.  Download  GAUSS codes to replicate the results.
Abstract. We use a local projection approach to analyze the effect of economic recessions on income inequality in a comprehensive sample of 43 countries from 1960 to 2016. Although we consider both business-cycle and growth-cycle recessions, we fail to find evidence of significant positive impacts of economic downturns on income distribution, once controls are added to the model. However, we do find important differences across countries, which mainly depend on the degree of economic development.
2019. The propagation of industrial business cycles. (with Danilo Leiva Leon). In Macroeconomic Dynamics 23: 144-177. Working paper n. 2014-48 at the Central Bank of Canada series Download the paperWatch media files.
Abstract. This paper examines the business cycle linkages that propagate industry-specific business cycle shocks throughout the economy in a way that (sometimes) generate aggregated cycles. The transmission of sectorial business cycles is modelled through a multivariate Markov-switching model, which is estimated by Gibbs sampling. Based on nonparametric density estimation approaches, we find that the number and location of modes in the distribution of industrial dissimilarities change over the business cycle. There is a relatively stable trimodal pattern during expansionary and recessionary phases characterized by highly, moderately and lowly synchronized industries. However, during phase changes, the density mass spreads out from the central part to the higher end of lowly synchronized industries.
2019. Inducing Non-Orthogonal and Non-Linear Decision Boundaries in Decision Trees via Interactive Basis Functions (with Antonio PaezFernando López, and Manuel Ruiz). In Expert Systems with Applications 122: 183-206. Download the paper
Abstract. We use a local projection approach to analyze the effect of economic recessions on income inequality in a comprehensive sample of 43 countries from 1960 to 2016. Although we consider both business-cycle and growth-cycle recessions, we fail to find evidence of significant positive impacts of economic downturns on income distribution, once controls are added to the model. However, we do find important differences across countries, which mainly depend on the degree of economic development.
2018. Markov-switching dynamic factor models in real time. (with Gabriel Perez Quiros and Pilar Poncela). In International Journal of Forecasting 34: 598-611. Working paper n. 1205 at the Central Bank of Spain series and n. 8866 at the CEPR series. Download the paperDownload  GAUSS codes to replicate the results. 
Abstract. We extend the Markov-switching dynamic factor model to account for some of the specificities of the day-to-day monitoring of economic developments from macroeconomic indicators, such as mixed-sampling frequency and ragged-edge data. First, we evaluate the theoretical gains of using promptly available data to compute probabilities of recession in real time. Second, we show how to estimate the model that deals with unbalanced panels of data and mixed frequencies and examine the benefits of this extension through several Monte Carlo simulations. Finally, we assess its empirical reliability to compute real-time inferences of the US business cycle and compare it with the alternative method of forecasting the probabilities of recession from balanced panels.
2018. Forecasting travelers in Spain with Google queries. (with Matias Pacce). In Tourism Economics 24: 434-448. Working paper n. 16/21 at BBVA Research. Download the paper
Abstract. We examine whether Google query trends helps economic agents with predictions about the checking in and overnight stays of travelers in Spain in real time. Using a dynamic factor approach and a real-time database of vintages that reproduces the exact information that was available to a forecaster at each particular point in time, we show that the models including query trends outperform models that exclude these leading indicators. In this way, we aim to contribute to the literature on the link between the Internet and the tourismmarkets.
2018. The Great Recession. Worse than ever? (with Lola Gadea and Gabriel Perez Quiros). In Revista de Economia Aplicada 76: 73:100. Download the paper.  Download the MATLAB codes that replicate the results.
Abstract. We develop an international comparative assessment of the Great Recession, in terms of the features that characterize the form of the recession phases, namely length, depth and shape. The potential unobserved heterogeneity in the international recession characteristics is modeled by a finite mixture model. Using Bayesian inference via Gibbs sampling, the model classiffies the Great Recession suffered by a large number of countries into dfferent clusters, determining its severity in cross section and time series and dimensions. Our results suggest that the business cycle features of the Great Recession are not dfferent from others in an international perspective. By contrast, we show that the only distinctive feature of the Great Recession wasits unprecedented degree of synchronicity.
2018. Regional business cycle phases in Spain. (with Matias Pacce and Camilo Ulloa). In Estudios de Economia Aplicada 36: 875–896. Working paper n. 17/20 at BBVA Research. Download the paperDownload media files.   
Abstract. We characterize regional business cycles for Spain using monthly Social Security affiliations. Based on a set of Markov-switching models, we find substantial synchronization of regional business cycles, which has increased since the Great Recession. We do however evidence a regional leading and lagging performance that repeats itself across the different recessions. Typically, earlier signals of national recessions appear in the Islands and Valencia, and are propagated from the periphery to the center. Moreover, north-western regions tend to start the regional recoveries with a significant lag.
2017. Plasticity in leader–follower roles in human teams. (with Maurizio Porfiri, Manuel Ruiz, and Shinnosuke NakayamaIn Scientific Reports 7: Article number 14562. Download the paper
Abstract. In humans, emergence of leaders and followers is key to group performance, but little is known about the whys and hows of leadership. A particularly elusive question entails behavioral plasticity in leadership across social contexts. Addressing this question requires to eliminate social feedback between focal individuals and their partners in experiments that could illuminate the spontaneous emergence of social roles. We investigated plasticity in leader–follower roles in cooperation, where members choose the task toward a shared goal, and coordination, where members adjust their actions in real time based on social responsiveness. Through a computer-programmed virtual partner, we demonstrate adaptive plasticity in eader–follower roles. Humans increased their followership to cooperate when the partner led more in the choice of the task, whereas they showed only weak leadership when the partner followed more. We leveraged the information-theoretic notion of transfer entropy to quantify leadership and followership in coordination from their movements. When exhibiting stronger followership in task cooperation, humans coordinated more with the partner’s movement, with greater information being transferred from the partner to humans. The evidence of behavioral plasticity suggests that humans are capable of adapting their leader–follower roles to their social environments, in both cooperation and coordination.
2017. Latin American cycles: What has changed after the Great Recession?. (with Gonzalo Palmieri).  In Emerging Markets Finance and Trade 53: 1170–1183. Download the paper.
Abstract. This paper analyzes the evolution of growth cycles and business cycles in Latin America from 1980 to 2013 by using monthly industrial production. Focusing on both synchronization and other cyclical features, we find evidence of significant cyclical links between the countries of the region, which seem to be highly integrated in this period. Notably, we find that the Great Recession did not lead to any significant impact on the pre-existing Latin American cyclical linkages.
2016. Aggregate versus disaggregate information in dynamic factor models. (with Rocio Alvarez and Gabriel Perez Quiros). In International Journal of Forecasting 32: 680-694. Working paper n. 1204 at the Central Bank of Spain series and n. 8867 at the CEPR series. Download the paper. Download the electronic appendix.
Abstract. We examine the finite-sample performance of dynamic factor models that use aggregate and disaggregate data, when the latter rely on finer disaggregations of the headline concepts of a small set of economic categories. Our Monte Carlo analysis reveals that using the series with largest averaged within-category correlation outperforms using disaggregate data in factor estimation and forecasting in several cases. This occurs for high level of cross-correlation across the idiosyncratic errors of series that belong to the same category, for oversampled categories, and especially for high persistence either in the common factor or in the idiosyncratic errors. However, the gains in forecasting mitigate considerably when the target series are persistent. This could potentially explain why, using the constituent balanced panel of the Stock-Watson factor model, whose US data are classified into 13 economic categories, there is no clear ranking between the aggregate and disaggregate approaches..
2016. Country shocks, monetary policy expectations and ECB decisions. A dynamic non-linear approach. (with Danilo Leiva-Leon and Gabriel Perez Quiros). In Advances in Econometrics 35: 283-316. Working paper n. 1523 at the Central Bank of Spain series and n. 10828 at the CEPR series. Download the paperSee voxeu discussion.
Abstract. Previous studies have shown that the e¤ectiveness of monetary policy depends, to a large extent, on the market expectations of its future actions. This paper proposes an econometric framework to address the e¤ect of the current state of the economy on monetary policy expectations. Speci…cally, we study the e¤ect of contractionary (or expansionary) demand (or supply) shocks hitting the euro area countries on the expectations of the ECB’s monetary policy in two stages. In the …rst stage, we construct indexes of real activity and in‡ation dynamics for each country, based on soft and hard indicators. In the second stage, we use those indexes to provide assessments on the type of aggregate shock hitting each country and assess its effect on monetary policy expectations at di¤erent horizons. Our results indicate that expectations are responsive to aggregate contractionary shocks, but not to expansionary shocks. Particularly, contractionary demand shocks have a negative e¤ect on short term monetary policy expectations, while contractionary supply shocks have negative effect on medium and long term expectations. Moreover, shocks to different economies do not have signi…cantly different effects on expectations, although some differences across countries arise.
2015. Extracting nonlinear signals from several economic indicators. (with Gabriel Perez Quiros and Pilar Poncela). In Journal of Applied Econometrics 30: 1073-1089. Working paper n. 1202 at the Central Bank of Spain series and n. 8865 at the CEPR series. Download the paperDownload the electronic appendix.  Download GAUSS codes.
Abstract. We develop a twofold analysis of how the information provided by several economic indicators can be used in Markov-switching dynamic factor models to identify the business cycle turning points. First, we compare the performance of a fully non-linear multivariate specification (one-step approach) with the "shortcut" of using a linear factor model to obtain a coincident indicator which is then used to compute the Markov-switching probabilities (two-step approach). Second, we examine the role of increasing the number of indicators. Our results suggest that one step is generally preferred to two steps, although its marginal gains diminish as the quality of the indicators increases and as more indicators are used to identify the non-linear signal. Using the four constituent series of the Stock-Watson coincident index, we illustrate these results for US data.
2015. Monitoring the world business cycle. (with Jaime Martinez-Martin). In Economic Modelling 51: 617-625. Working paper n. 15/06 at BBVA Research. Download the paper and n. 228/2015 at Federal Reserve Bank of Dallas.
Abstract. We propose a Markov-switching dynamic factor model to construct an index of global business cycle conditions, to perform short-term forecasts of world GDP quarterly growth in real time and to compute real-time business cycle probabilities. To overcome the real-time forecasting challenges, the model accounts for mixed frequencies, for asynchronous data publication and for leading indicators. Our pseudo real-time results show that this approach provides reliable and timely inferences of the world quarterly growth and of the world state of the business cycle on a monthly basis.
2015. Toward a more reliable picture of the economic activity: An application to Argentina. (with Marcos dal Bianco and Jaime Martinez-Martin). In Economics Letters 132: 129-132. Download the paper.
Abstract. We advocate a dynamic factor model to provide alternative measures of output data using indirect information from economic indicators. Notably, the method is valid regardless of the length and the frequency of the indicators used in the analysis. We apply the method to show evidence of a significant gap between estimated and officialmeasures of Argentine GDP since 2007.
2015. Can we use seasonally adjusted indicators in dynamic factor models? (with Yuliya Lovcha and Gabriel Perez Quiros). In Studies in Nonlinear Dynamics and Econometrics 19: 377-391. Working paper n. 1235 at the Central Bank of Spain series and n. 9191 at the CEPR series. Download the paper.
AbstractWe examine the short-term performance of two alternative approaches of forecasting from dynamic factor models. The first approach extracts the seasonal component of the individual indicators before estimating the dynamic factor model, while the alternative uses the non seasonally adjusted data in a model that endogenously accounts for seasonal adjustment. Our Monte Carlo analysis reveals that the performance of the former is always comparable to or even better than that of the latter in all the simulated scenarios. Our results have important implications for the factor models literature because they show the that the common practice of using seasonally adjusted data in this type of models is very accurate in terms of forecasting ability. Using five coincident indicators, we illustrate this result for US data.
2015. Short-Run Forecasting of Argentine GDP Growth (with Marcos dal Bianco and Jaime Martinez-Martin). In Emerging Markets Finance and Trade 51: 473-485. Working paper n. 13/14 at the BBVA Research Department Download the paper.
AbstractWe propose a small-scale dynamic factor model for monitoring Argentine GDP in real time using economic data at mixed frequencies (monthly and quarterly) which are published with different time lags. Our model not only produces a coincident index of the Argentine business cycle in striking accordance with professional consensus and the history of the Argentine business cycle, but also generates accurate short-run forecasts of the highly volatile Argentine GDP growth. By using a pseudo real-time empirical evaluation, we show that our model produces reliable backcasts, nowcasts and forecasts well before the official data is released.
2014. Green shoots and double dips in the Euro area. A real time measure(with Gabriel Perez Quiros and Pilar Poncela). In International Journal of Forecasting 30: 520-535. Working paper n. 1026 at the Central Bank of Spain series and n. 8896 at the CEPR series. Download the paper. See voxeu discussion.
AbstractWe show that an extension of the Markov-switching dynamic factor models that accounts for the specificities of the day to day monitoring of economic developments such as ragged edges, mixed frequencies and data revisions is a good tool to forecast the Euro area recessions in real time. We provide examples that show the nonlinear nature of the relations between data revisions, point forecasts and forecast uncertainty. According to our empirical results, we think that the real time probabilities of recession are an appropriate statistic to capture what the press call green shoots.
2014. Real-time forecasting US  GDP from small-scale factor models (with Jaime Martinez-Martin). In Empirical Economics, 47:347-364. Working paper n. 12/10 at the BBVA Research Department. Download the paper.
Abstract. We show that the single-index dynamic factor model developed by Aruoba and Diebold (AD, 2010) to construct an index of the US business cycle conditions is also very useful to forecast US GDP growth in real time. In addition, we adapt the model to include survey data and financial indicators. We find that our extension is unequivocally the preferred alternative to compute backcasts. In nowcasting and forecasting, our model is able to forecast growth as well as AD and better than several baseline alternatives. Finally, we show that our extension could also be used to infer the US business cycles very precisely.
2014. Commodity prices and the business cycle in Latin America: Living and dying by commodities(with Gabriel Perez Quiros). In Emerging Markets Finance and Trade 50: 111–137. Working paper n. 1304 at the Central Bank of Spain series and n. 9367 at the CEPR series. Download the paper.
AbstractWe analyze the dynamic interactions between commodity prices and output growth of the seven greatest exporters Latin American countries: Argentina, Brazil, Colombia, Chile, Mexico, Peru and Venezuela. Using Markov-switching impulse response functions, we find that the responses of their respective output growths to commodity price shocks are time dependent, size dependent and sign dependent. Overall, the major evidence of asymmetries in output growth responses occurs when commodity price shocks lead to regime shifts. Accordingly, the design of optimal counter-cyclical stabilization policies in this region should take into account that the reactions of the economic activity vary considerably across business cycle regimes
2014. The Euro-Sting revisited: the usefulness of financial indicators to obtain euro area GDP (with Agustin Garcia-Serrador). In Journal of Forecasting 33: 186-197. Working paper n. 11/20 at the BBVA Research Department Download the paper.
AbstractThis paper uses an extension of the Euro-Sting single-index dynamic factor model to construct short-term forecasts of quarterly GDP growth for the euro area, as also including financial variables as leading indicators. From a simulated real-time exercise, the model is used to investigate the forecasting accuracy across the different phases of the business cycle. In addition, the model is used to evaluate the relative forecasting ability of the two most watched business cycle surveys for the eurozone, the PMI and the ESI. We show that the latter produces more accurate GDP forecasts than the former. Finally, the proposed model is also characterized by its great ability to capture the European business cycle, as well as the probabilities of expansion and/or contraction periods.
2013. Short-term forecasting for empirical economists. A survey of the recently proposed algorithms (with Gabriel Perez Quiros and Pilar Poncela). In Foundations and Trends in Econometrics 6: 101-161. Working paper n. 1318 at the Central Bank of Spain series. Download the paper.
Abstract. Practitioners do not always use research findings, sometimes because the research is not always conducted in a manner relevant to real-world practice. This survey seeks to close the gap between research and practice on short-term forecasting in real time. Towards this end, we review the most relevant recent contributions to the literature, examine their pros and cons, and we take the liberty of proposing some lines of future research. Among these models, we include bridge equations, MIDAS, VARs, factor models and Markov-switching factor models, all allowing for mixed-frequency and ragged ends. Using the four constituent monthly series of the Stock-Watson coincident index, industrial production, employment, income and sales, we evaluate their empirical performance to forecast quarterly US GDP growth rates in real time. Finally, we review the main results regarding the number of predictors in factor based forecasts and how the selection of the more informative or representative variables can be made.
2013. Mixed-frequency VAR models with Markov-switching dynamics. In Economics Letters 121: 369–373. Download the paper. Download GAUSS codes.
Abstract. This paper extends the Markov-switching vector autoregressive models to accommodate both the typical lack of synchronicity that characterizes the real-time daily flow of macroeconomic information and economic indicators sampled at different frequencies. The results of the empirical application suggest that the model is able to capture the features of the NBER business cycle chronology very accurately.
2012.  Short-run forecasting of the euro-dollar exchange rates with economic fundamentals (with Marcos dal Bianco and Gabriel Perez Quiros). In Journal of International Money and Finance 31: 377-396.  Working paper n. 1203 at the Central Bank of Spain series. Download the paper.
Abstract. We propose a fundamentals-based econometric model for the weekly changes in the euro-dollar rate with the distinctive feature of mixing economic variables quoted at different frequencies. The model obtains good in-sample fit and, more importantly, encouraging out-of-sample forecasting results at horizons ranging from one-week to one-month. Specifically, we obtain statistically significant improvements upon the hard-to-beat random walk model using traditional statistical measures of forecasting error at all horizons. Moreover, our model obtains a great improvement with the direction of change metric, which has more economic relevance. With this measure, our model performs much better at all forecasting horizons than a naive model that predicts the exchange rate as an equal chance to go up or down, these being statistically significant improvements.
2012. MICA-BBVA: A factor model of economic and financial indicators for short-term GDP forecasting (with Rafael Domenech). In Journal of the Spanish Economic Association 3: 475-497Working paper n. 10/21 at the BBVA Research Department Download the paper.
Abstract In this paper we extend the Stock and Watson’s (1991) single-index dynamic factor model in an econometric framework that has the advantage of combining information from real and financial indicators published at different frequencies and delays with respect to the period to which they refer. We find that the common factor reflects the behaviour of the Spanish business cycle well and helps to estimate with high precision the regime-switching probabilities in line with business cycle phases. We also show that financial indicators are useful for forecasting output growth, particularly when certain financial variables lead the common factor. Finally, we provide a simulated real-time exercise and prove that the model is a very useful tool for the short-term analysis of the Spanish Economy.
2011. High-growth recoveries, inventories and the Great Moderation (with Gabriel Perez Quiros and Hugo Rodríguez Mendizabal). In Journal of Economic Dynamics and Control  35: 1322-1339Working paper n. 1304 at the Central Bank of Spain series and n. 9367 at the UFAE and IAE series Download the paper.
AbstractWe present evidence about the loss of the so-called “plucking effect”, that is, a high-growth phase of the cycle typically observed at the end of recessions. This result matches the popular belief, presented informally by different authors, that the current recession will have permanent effects, or that the current recession will have an L shape versus the old-time recessions that have always had a V shape. Furthermore, we show that the loss of the “plucking effect” can explain part of th eGreat Moderation. We postulate that these two phenomena may be due to changes in inventory management brought about by improvements in information and communications technologies.
2011. Spain-STING: Spain Short Term INdicator of Growth (with Gabriel Perez Quiros). In The Manchester School  79: 594-616Working paper n. 0912 at the Central Bank of Spain series. Download the paper.
Abstract. We develop a dynamic factor model to compute short term forecasts of the Spanish GDP growth in real time. With this model, we compute a business cycle index which works well as an indicator of the business cycle conditions in Spain. To examine its real time forecasting accuracy, we use real-time data vintages from 2008.02 through 2009.01. We conclude that the model exhibits good forecasting performance in anticipating the recent and sudden downturn.
2011. Markov-switching models and the unit root hypothesis in real U.S. GDP. In Economics Letters 112: 161-164Download the paper. Download GAUSS codes.
AbstractIn this paper, I find that real U.S. GDP is better characterized as a trend stationary Markov-switching process than as having a (regime-dependent) unit root. I examine the effects of both assumptions on the analysis of business cycle features and their implications for the persistence of the dynamic response of output to a random disturbance.
2010. Introducing the EURO-STING: Short Term INdicator of Euro Area Growth (with Gabriel Perez Quiros). In Journal of Applied Econometrics  25: 663-694Working paper n. 0807 at the Central Bank of Spain series and n. 7343  at the CEPR series. Download the paper.
Abstract. We propose a model to compute short-term forecasts of the Euro area GDP growth in real time. To allow for forecast evaluation, we construct a real-time data set that changes for each vintage date and includes the exact information that was available at the time of each forecast. In this context, we provide examples that show how data revisions and data availability affect point forecasts and forecast uncertainty. 
2009. Income distribution changes across the 1990s expansion: the role of taxes and transfers (with Aida Galiano). In Economics Bulletin   29: 3177-3185Download the paper.
Abstract. We analyze the redistributive impact of the 1990s expansion in US, UK, France, Germany, Italy, and Spain by evaluating the income distribution changes over the trough-peak years that determine the expansionary period in these countries. Our empirical strategy separates between market-driven changes affecting income distribution and the role of government interventions through taxes and transfer payments. Overall, the Euro-area tax and transfer system plays a crucial role in offsetting the market-driven poverty and inequality evolutions. However, government interventions reduce the equalitarian effect of the market in UK, and aggravate the market-driven inequality in US
2008. Do European business cycles look like one?  (with Gabriel Perez Quiros and Lorena Saiz). In Journal of Economic Dynamics and Control  32: 2165-2190Working paper n. 0518 at the Central Bank of Spain series. Download the paper.
Abstract. This paper provides a comprehensive framework to analyze business cycle features other than synchronization. We use stationary bootstrap and model-based clustering methods to analyze similarities and differences among the European cycles. We find evidence that the length, deep and shape of cycles differ across European countries and that these differences are not decreasing over time. Finally, even though we find some correlation between business cycle synchronization and characteristics, there is important information in the characteristics that is not captured by the synchronization measures
2008. TAR panel unit root tests and real convergence: an application to the EU enlargement process  (with Arielle Beyaert). In Review of Development Economics  12: 668-681Download the paperDownload GAUSS codes.
Abstract.  We propose a new panel data methodology to test real convergence in a non-linear framework. It extends the existing methods by combining three approaches: the threshold model, the panel data unit root tests and the computation of critical values by bootstrap simulation. We apply our methodology on the per-capita outputs of a total of fifteen European countries, including some of the East-European countries that have recently joined
2008. Determinants of Japanese Yen Interest Rate Swap Spreads: Evidence from a Smooth Transition Vector Autoregressive Model (with Carl R. Chen and Ying Huang). In Journal of Futures Markets  28: 82-107. Download the paper.
Abstract. This paper investigates the determinants of variations in the yield spreads between Japanese yen interest rate swaps and Japan government bonds for a period from 1997 to 2005. A smooth transition vector autoregressive (STVAR) model and generalized impulse response functions are used to analyze the impact of various economic shocks on swap spreads. The volatility based on a GARCH model of the government bond rate is identified as the transition variable that controls the smooth transition from high volatility regime to low volatility regime. The break point of the regime shift occurs around the end of the Japanese banking crisis. The impact of economic shocks on swap spreads varies across the maturity of swap spreads as well as regimes. Overall, swap spreads are more responsive to the economic shocks in the high volatility regime. Moreover, volatility shock has profound effects on shorter maturity spreads, while the term structure shock plays an important role in impacting longer maturity spreads. Our results also show noticeable differences between the non-linear and linear impulse response functions.
2007.  Jump-and-rest effect of U.S. business cycles (with Gabriel Perez Quiros). In Studies in Nonlinear Dynamics and Econometrics  Vol. 11: No. 4, Article 3. Working paper n. 0507 at the Central Bank of Spain series and n. 4975  at the CEPR series. Download the paper.
Abstract. One of the most familiar empirical stylized facts about output dynamics in the United States is the positive autocorrelation of output growth. This paper shows that positive autocorrelation can be better captured by shifts between business cycle states rather than by the standard view of autoregressive coefficients. The result is extremely robust to different nonlinear alternative models and applies not only to output but also to the most relevant macroeconomic variables.
2006. Are European business cycles close enough to be just one?  (with Gabriel Perez Quiros and Lorena Saiz). In Journal of Economic Dynamics and Control  30: 1687-1706Working paper n. 0408 at the Central Bank of Spain series and n. 4824 at the CEPR series. Download the paper.
Abstract. We propose a comprehensive methodology to characterize the business cycle comovements across European economies and some industrialized countries, without imposing any given model but trying to "leave the data speak". We develop a novel method to show that there is no evidence of a "European economy" that acts as an attractor to the other economies of the area. We show that the establishment of the Monetary Union has not significantly increased the level of comovements across Euro-area economies. Finally, we are able to explain an important proportion of the distances across their business cycles using macro-variables related to the structure of the economy, to the directions of trade, and to the size of the public sector. 
2006. A useful tool for forecasting the Euro-area business cycle phases  (with Pilar Bengoechea and Gabriel Perez Quiros). In International Journal of Forecasting  22735-749Download the paper. Download GAUSS codes.
Abstract. Based on a novel extension of existing multivariate Markov-switching models, we provide the reader with a useful tool to analyze current business conditions and to make predictions about the future state of the Euro-area economy in real time. Apart from the Industrial Production Index, we find that the European Commission Industrial Confidence Indicator, that is issued with no delay, is very useful to construct the real-time predictions. 
2006. A new framework to analyze business cycle synchronization  (with Gabriel Perez Quiros)In: Milas, C., Rothman, P., and van Dijk, D. Nonlinear Time Series Analysis of Business Cycles. Elsevier's Contributions to Economic Analysis series. Chapter 5 (pp. 133-149). Elsevier, Amsterdam. Download the paper Download GAUSS codes.
Abstract. In this paper, we propose a new framework to analyze pairwise business cycle synchronization across a given set of countries. We show that our approach, that is based on multivariate Markov-switching procedures, lead to more confident results than other popular approaches developed in the literature. According to recent findings, we show that the G7 countries seem to exhibit two differentiated "Euro-zone" and "English-speaking" business cycles dynamics.
2005. Markov-switching stochastic trends and economic fluctuations. In Journal of Economic Dynamics and Control  29135-158Download the paper. Download GAUSS codesDownload GAUSS codes for linear common trends (Warne, 1993)
Abstract. I investigate cointegrating relationships such that, even though the long-run attractors are assumed to be linear, the dynamics of the equilibrium errors depends on the business cycle. I postulate a Markov-switching stochastic trends model to study both the short-run responses to permanent shocks and the effects of severe recessions in the long-run growth. I apply these findings to explore the short-run and long-run asymmetric relationships among output, consumption and investment. 
2004. Vector Smooth Transition Regression Models for US GDP and the Composite index of Leading Indicators. In Journal of Forecasting  23173-196Download the paper. Download GAUSS codes
Abstract. In this paper, I extend to a multiple-equation context the linearity, model selection, and model adequacy tests recently proposed for univariate Smooth Transition Regression models. Using this result, I examine the nonlinear forecasting power of the Conference Board Composite index of Leading Indicators to predict both output growth and the business-cycle phases of the U.S. economy in real time.
2003. Spanish diffusion indexes  (with Israel Sancho). In Spanish Economic Review  5: 173-203Download the paper. Download the data and the GAUSS codes.
Abstract. We use the Stock-Watson diffusion index methodology to summarize the information contained ina wide set of monthly series (published in the Statistical Bulletin of the Bank of Spain) by menas of a reduced number of facors. We find that the first two factors may be used as indicators of the core inflation and the business cycle dynamics of the Spanish economy, respectively. In addition, we study the effects of incorporating large information sets for the analysis of monetary policy. Finally, we show that forecasting prices and output with our factors outperforms other standard alternative forecasting procedures.
2002. This is what the leading indicators lead  (with Gabriel Perez Quiros). In Journal of Applied Econometrics 1761-80Working paper n. 27 at the European Central Bank series. Download the paper. Download GAUSS codesSee Economist's view discussion.
Abstract. We propose an optimal filter to transform the Conference Board Composite Leading Index (CLI) into recession probabilities in the US economy. We also analyze the CLI's accuracy at anticipating US output growth. We compare the predictive performance of linear, VAR extensions of smooth transition regression and switching regimes, probit, nonparametric models and conclude that a combination of the switching regimes and nonparametric forecasts is the best strategy at predicting both the NBER business cycle schedule and GDP growth. This confirms the usefulness of CLI, even in a real-time analysis.