The present-value model of the current account has been rejected: Round up the usual suspects |
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Authors: | James M Nason |
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Institution: | a Research Department, Federal Reserve Bank of Atlanta, 1000 Peachtree St., N.E. Atlanta, GA 30033, United States b Mail Stop 20, International Finance Division, Board of Governors of the Federal Reserve System, Washington, DC 20551, United States |
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Abstract: | Tests of the present-value model (PVM) of the current account are frequently rejected by data. Standard explanations rely on the “usual suspects” of non-separable preferences, fiscal policy and world real interest rate shocks, external imperfect international capital mobility, and an internalized risk premium. We confirm these rejections on post-war Canadian data, then investigate their source by calibrating and simulating alternative versions of a small open economy, real business cycle model (RBC). Bayesian Monte Carlo experiments reveal that a “canonical” RBC model is close to the data, but far from the PVM predictions. Although each suspect matters in some way, none improve the fit to the data. However, the PVM restrictions are reproduced when the internalized risk premium is introduced into the canonical model. By adding the exogenous world real interest rate shock to this version of the model, it matches the data better and is moved closer to the PVM predictions. This suggests that there is an important common world component to current account fluctuations, which points to additional underlying macroeconomic factors that drive the current account. |
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Keywords: | F41 E32 |
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