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The Home Bias and Capital Income Flows between Countries and Regions

  • Michael J. Artis
  • Mathias Hoffmann

This paper documents a marked increase in international consumption risk sharing throughout the recent globalization period. Unlike earlier studies that have found it difficult to document a consistent effect of financial globalization on international consumption comovements, we make use of the information implicit in the relative levels of consumption and output to measure long-run risk sharing among OECD countries and US federal states. We derive our empirical setup from a deliberately simplistic model in which countries can trade perpetual claims to each other's output (Shiller securities). Our framework allows us to distinguish between two channels of risk sharing: ex ante diversification that leads to income smoothing through capital income flows and ex-post consumption smoothing through savings and dissavings. The model successfully replicates the patterns of income and consumption smoothing observed in both U.S. state-level and international data. The increase in international consumption risk sharing is closely associated with the decline in international portfolio home bias. While capital income flows remain relatively limited as a channel of risk sharing at business cycle frequencies, we find that better international portfolio diversification has led to a considerable increase in capital income flows at medium and long horizons.

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Paper provided by Institute for Empirical Research in Economics - University of Zurich in its series IEW - Working Papers with number 316.

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Date of creation: Mar 2007
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Handle: RePEc:zur:iewwpx:316
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  1. Kenneth R. French & James M. Poterba, 1991. "Investor Diversification and International Equity Markets," NBER Working Papers 3609, National Bureau of Economic Research, Inc.
  2. Artis, Michael J & Hoffmann, Mathias, 2004. "Financial Globalization, International Business Cycles and Consumption Risk Sharing," CEPR Discussion Papers 4697, C.E.P.R. Discussion Papers.
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  13. Pierfederico Asdrubali & Bent E. Sørensen & Oved Yosha, 1996. "Channels of Interstate Risk Sharing: United States 1963–1990," The Quarterly Journal of Economics, Oxford University Press, vol. 111(4), pages 1081-1110.
  14. Sascha O. Becker & Mathias Hoffmann, 2003. "Intra-and International Risk-Sharing in the Short Run and the Long Run," CESifo Working Paper Series 1111, CESifo Group Munich.
  15. Backus, David K & Kehoe, Patrick J & Kydland, Finn E, 1992. "International Real Business Cycles," Journal of Political Economy, University of Chicago Press, vol. 100(4), pages 745-75, August.
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  18. Nelson C. Mark & Donggyu Sul, 2003. "Cointegration Vector Estimation by Panel DOLS and Long-run Money Demand," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 65(5), pages 655-680, December.
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