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Globalization, Gluts, Innovation or Irrationality: What Explains the Easy Financing of the U.S. Current Account Deficit?

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  • Mr. Ravi Balakrishnan
  • Mr. Volodymyr Tulin
  • Mr. Tamim Bayoumi

Abstract

This paper examines the roles of U.S. financial innovation, financial globalization, and the savings glut hypothesis in explaining the rise in U.S. external debt, first in a portfolio balance model, and then empirically. Perhaps surprisingly, financial deepening and falling home bias in industrialized countries explain a large share of external financing. The savings glut hypothesis (including difficult-to-track petrodollar recycling) and U.S. financial innovation are also important, in part as a cause of declining home bias in industrialized countries. The latter underscores the importance of not looking at these factors in isolation, but rather as a constellation of forces that can be self-reinforcing.

Suggested Citation

  • Mr. Ravi Balakrishnan & Mr. Volodymyr Tulin & Mr. Tamim Bayoumi, 2007. "Globalization, Gluts, Innovation or Irrationality: What Explains the Easy Financing of the U.S. Current Account Deficit?," IMF Working Papers 2007/160, International Monetary Fund.
    • Handle: RePEc:imf:imfwpa:2007/160
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    References listed on IDEAS

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    Cited by:

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    2. Carol C. Bertaut & Steven B. Kamin & Charles P. Thomas, 2008. "How long can the unsustainable U.S. current account deficit be sustained?," International Finance Discussion Papers 935, Board of Governors of the Federal Reserve System (U.S.).
    3. Chris Hunt, 2008. "Financial turmoil and global imbalances: the end of Bretton Woods II?," Reserve Bank of New Zealand Bulletin, Reserve Bank of New Zealand, vol. 71, September.
    4. Fratzscher, Marcel & Saborowski, Christian & Straub, Roland, 2009. "Monetary Policy Shocks and Portfolio Choice," Working Paper Series 1122, European Central Bank.

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