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Working Paper
Estimating Impulse Response Functions When the Shock Series Is Observed
Choi, Chi-Young; Chudik, Alexander (2019-03-04)
We compare the finite sample performance of a variety of consistent approaches to estimating Impulse Response Functions (IRFs) in a linear setup when the shock of interest is observed. Although there is no uniformly superior approach, iterated approaches turn out to perform well in terms of root mean-squared error (RMSE) in diverse environments and sample sizes. For smaller sample sizes, parsimonious specifications are preferred over full specifications with all ?relevant? variables.
Globalization Institute Working Papers , Paper 353

Working Paper
How have global shocks impacted the real effective exchange rates of individual Euro area countries since the Euro's creation?
Mehl, Arnaud; Chudik, Alexander; Bussiere, Matthieu (2011)
This paper uncovers the response pattern to global shocks of euro area countries' real effective exchange rates before and after the start of Economic and Monetary Union (EMU), a largely open ended question when the euro was created. We apply to that end a newly developed methodology based on high dimensional VAR theory. This approach features a dominant unit to a large set of over 60 countries' real effective exchange rates and is based on the comparison of two estimated systems: one before and one after EMU. ; We find strong evidence that the pattern of responses depends crucially on the ...
Globalization Institute Working Papers , Paper 102

Working Paper
An Augmented Anderson-Hsiao Estimator for Dynamic Short-T Panels
Chudik, Alexander; Pesaran, M. Hashem (2021-03-27)
This paper introduces the idea of self-instrumenting endogenous regressors in settings when the correlation between these regressors and the errors can be derived and used to bias-correct the moment conditions. The resulting bias-corrected moment conditions are less likely to be subject to the weak instrument problem and can be used on their own or in conjunction with other available moment conditions to obtain more efficient estimators. This approach can be applied to estimation of a variety of models such as spatial and dynamic panel data models. This paper focuses on the latter, and ...
Globalization Institute Working Papers , Paper 327

Journal Article
Rising Public Debt to GDP Can Harm Economic Growth
Chudik, Alexander; Pesaran, M. Hashem; Raissi, Mehdi; Mohaddes, Kamiar (2018-03)
The debt?growth relationship is complex, varying across countries and affected by global factors. While there is no simple universal threshold above which debt to GDP significantly depresses growth, high and rising public debt burdens slow growth in the long term, data from the past four decades indicate.
Economic Letter , Volume 13 , Issue 3 , Pages 1-4

Journal Article
The euro and global turbulence: member countries gain stability
Mehl, Arnaud; Chudik, Alexander; Bussiere, Matthieu (2013-12)
The pattern of adjustment of euroarea countries? external competitiveness to dollar and risk aversion shocks has become more similar since the euro?s creation.
Economic Letter , Volume 8 , Issue 11

Report
Toward a Better Understanding of Macroeconomic Interdependence
Chudik, Alexander (2014)
The concept of a representative foreign economy has no proper justification in the literature, and the consequences of aggregating the rest of the world into one representative economy are not fully understood.
Annual Report, Globalization and Monetary Policy Institute

Working Paper
Thousands of models, one story: current account imbalances in the global economy
Chudik, Alexander; Dieppe, Alistair; Ca' Zorzi, Michele (2011)
The global financial crisis has led to a revival of the empirical literature on current account imbalances. This paper contributes to that literature by investigating the importance of evaluating model and parameter uncertainty prior to reaching any firm conclusion. We explore three alternative econometric strategies: examining all models, selecting a few, and combining them all. Out of thousands (or indeed millions) of models a story emerges. The chance that current accounts were aligned with fundamentals prior to the financial crisis appears to be minimal.
Globalization Institute Working Papers , Paper 100

Working Paper
Time-varying Persistence of House Price Growth: The Role of Expectations and Credit Supply
Chudik, Alexander; Smallwood, Aaron; Choi, Chi-Young (2024-05-15)
High persistence is a prominent feature of price movements in U.S. housing markets, i.e., house prices grow faster this period if they grew faster last period. This paper provides two additional new insights to the literature on U.S. house price movements. First, there exists a significant time variation in the persistence of house price growth, both at the national and city level. Second, there is considerable heterogeneity in the time-varying persistence across different regions, particularly in areas that were historically less persistent, such as the capital-poor regions in the Midwest ...
Globalization Institute Working Papers , Paper 426

Journal Article
Global and National Shocks Explain A Large Share of State Job Growth
Koech, Janet; Wynne, Mark A.; Chudik, Alexander (2017-10)
Global and U.S. national shocks on average appear to equally explain more than half of the fluctuations in state employment growth, an important measure of assessing real economic activity. The overall assessment, however, conceals a wide variation among states.
Economic Letter , Volume 12 , Issue 10 , Pages 1-4

Working Paper
Variable Selection and Forecasting in High Dimensional Linear Regressions with Structural Breaks
Chudik, Alexander; Sharifvaghefi, Mahrad; Pesaran, M. Hashem (2021-04-17)
This paper is concerned with the problem of variable selection and forecasting in the presence of parameter instability. There are a number of approaches proposed for forecasting in the presence of breaks, including the use of rolling windows and exponential down-weighting. However, these studies start with a given model specification and do not consider the problem of variable selection, which is complicated by time variations in the effects of signal variables. In this study we investigate whether or not we should use weighted observations at the variable selection stage in the presence of ...
Globalization Institute Working Papers , Paper 394

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