Current Account Deficits in Rich Countries

No 12925, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: Current account imbalances have steadily increased in rich countries over the last 20 years. While the U.S. current account deficit dominates the numbers and the news, other countries, especially within the Euro area, are also running large deficits. These deficits are different from the Latin American deficits of the early 1980s, or the Mexican deficit of the early 1990s. They involve rich countries; they reflect mostly private saving and investment decisions, and fiscal deficits often play a marginal role; and the deficits are financed mostly through equity, FDI, and own-currency bonds rather than through bank lending. Yet, there appears a widely shared worry that these deficits are too large, and government intervention is required. My purpose, in this lecture, is to examine the logic of this argument. I ask the following question: Assume that deficits reflect private saving and investment decisions. Assume also that people and firms have rational expectations. Should the government intervene, and, if so, how? To answer the question, I construct a simple benchmark. In the benchmark, the outcome is first best and there is no need nor justification for government intervention. I then introduce simple distortions in either goods, labor, or financial markets, and characterize the equilibrium in each case. I derive optimal policy and the implications for the current account. I show that optimal policy may or may not lead to smaller current account deficits. I see the model and the extensions very much as a first pass. Sharper conclusions require a better understanding of the exact nature and the extent of distortions, and we do not have it. Such understanding is needed however to improve the quality of the current debate.

JEL-codes: E62 F41 (search for similar items in EconPapers)
Date: 2007-02
New Economics Papers: this item is included in nep-cba and nep-mac
Note: EFG IFM
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (102)

Published as Olivier Blanchard, 2007. "Current Account Deficits in Rich Countries," IMF Staff Papers, Palgrave Macmillan Journals, vol. 54(2), pages 191-219, June.
Published as Olivier Blanchard, 2007. "Current Account Deficits in Rich Countries," Panoeconomicus, Savez ekonomista Vojvodine, Novi Sad, Serbia, vol. 54(2), pages 127-158, June.

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