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Defining residual risk-sharing opportunities: Pooling world income components

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  • Athanasoulis, Stefano G.
  • Shiller, Robert J.

Abstract

We construct a new method of decomposing the variance of national incomes into components in such a way as to indicate the most important 'residual' risk-sharing opportunities among peoples of the world. The risk-sharing opportunities we study are nonsystematic risk-sharing opportunities. These are the risk-sharing opportunities that remain if systematic risk were already shared, see Athanasoulis and Shiller (2000). The new method developed here uses a simpler approach to deriving the components based on pure variance reduction. With the new method, the income component securities are derived in terms of eigenvectors of a transformed variance matrix of world incomes, but with this method the transformation is to use the residuals when incomes are regressed on world income instead of deviations of incomes from average world income as in Athanasoulis and Shiller (2001). The method is applied using Summers-Heston (1991)data on national incomes for large countries 1950-1990, using two different methods of estimating variances.

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Article provided by Elsevier in its journal Research in Economics.

Volume (Year): 56 (2002)
Issue (Month): 1 (June)
Pages: 61-84

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Handle: RePEc:eee:reecon:v:56:y:2002:i:1:p:61-84

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Web page: http://www.elsevier.com/locate/inca/622941

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  1. Shiller, Robert J, 1993. " Measuring Asset Values for Cash Settlement in Derivative Markets: Hedonic Repeated Measures Indices and Perpetual Futures," Journal of Finance, American Finance Association, vol. 48(3), pages 911-31, July.
  2. Robert J. Shiller & Stefano Athanasoulis, 2001. "The Significance of the Market Portfolio," Yale School of Management Working Papers ysm133, Yale School of Management.
  3. Eric van Wincoop, 1998. "How big are potential welfare gains from international risksharing?," Staff Reports 37, Federal Reserve Bank of New York.
  4. Tesar, Linda L., 1995. "Evaluating the gains from international risksharing," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 42(1), pages 95-143, June.
  5. Athanasoulis, Stefano G. & van Wincoop, Eric, 2000. "Growth uncertainty and risksharing," Journal of Monetary Economics, Elsevier, vol. 45(3), pages 477-505, June.
  6. Lewis, Karen K., 2000. "Why do stocks and consumption imply such different gains from international risk sharing?," Journal of International Economics, Elsevier, vol. 52(1), pages 1-35, October.
  7. Cuny, Charles J, 1993. "The Role of Liquidity in Futures Market Innovations," Review of Financial Studies, Society for Financial Studies, vol. 6(1), pages 57-78.
  8. Stefano G. Athanasoulis & Robert J. Shiller, 2001. "World Income Components: Measuring and Exploiting Risk-Sharing Opportunities," American Economic Review, American Economic Association, vol. 91(4), pages 1031-1054, September.
  9. Demange Gabrielle & Laroque Guy, 1995. "Optimality of Incomplete Markets," Journal of Economic Theory, Elsevier, vol. 65(1), pages 218-232, February.
  10. Summers, Robert & Heston, Alan, 1991. "The Penn World Table (Mark 5): An Expanded Set of International Comparisons, 1950-1988," The Quarterly Journal of Economics, MIT Press, vol. 106(2), pages 327-68, May.
  11. Wincoop, Eric van, 1994. "Welfare gains from international risksharing," Journal of Monetary Economics, Elsevier, vol. 34(2), pages 175-200, October.
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