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Geographic versus industry diversification - constraints matter

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Author Info
Paul Ehling () (Pennsylvania State University)
Sofia Brito Ramos () (CEMAF/ISCTE-Business School Lisbon)

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Abstract

This research addresses whether geographic diversification provides benefits over industry diversification. In the absence of constraints, no empirical evidence is found to support the argument that country diversification is superior. With short-selling constraints, however, the geographic tangency portfolio is not attainable by industry portfolios. Results with upper and lower constraints on portfolio weights as well as an out-of-sample analysis show that geographic diversification almost consistently outperforms industry portfolios, although we cannot establish statistical significance.

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Publisher Info
Paper provided by European Central Bank in its series Working Paper Series with number 425.

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Length: 50 pages
Date of creation: Jan 2005
Date of revision:
Handle: RePEc:ecb:ecbwps:20050425

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Related research
Keywords: Diversification gains; EMU; geographic diversification; industry diversification; block-bootstrap tests;

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Find related papers by JEL classification:
G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Robin Brooks & Marco Del Negro, 2002. "International diversification strategies," Working Paper 2002-23, Federal Reserve Bank of Atlanta. [Downloadable!]
  2. Li, Kai & Sarkar, Asani & Wang, Zhenyu, 2003. "Diversification benefits of emerging markets subject to portfolio constraints," Journal of Empirical Finance, Elsevier, vol. 10(1-2), pages 57-80, February. [Downloadable!] (restricted)
  3. Beckers, Stan & Grinold, Richard & Rudd, Andrew & Stefek, Dan, 1992. "The relative importance of common factors across the European equity markets," Journal of Banking & Finance, Elsevier, vol. 16(1), pages 75-95, February. [Downloadable!] (restricted)
  4. Dušan Isakov & Frédéric Sonney, 2003. "Are practitioners right? On the relative importance of industrial factors in international stock returns," FAME Research Paper Series rp72, International Center for Financial Asset Management and Engineering. [Downloadable!]
    Other versions:
  5. John M. Griffin & G. Andrew Karolyi, . "Another Look at the Role of the Industrial Structure of Markets for International Diversification Strategies," Research in Financial Economics 9608, Ohio State University. [Downloadable!]
    Other versions:
  6. Arshanapalli, Bala & Doukas, John & Lang, Larry H. P., 1997. "Common volatility in the industrial structure of global capital markets," Journal of International Money and Finance, Elsevier, vol. 16(2), pages 189-209, April. [Downloadable!] (restricted)
  7. Huberman, Gur & Kandel, Shmuel, 1987. " Mean-Variance Spanning," Journal of Finance, American Finance Association, vol. 42(4), pages 873-88, September. [Downloadable!] (restricted)
  8. Basak, Gopal & Jagannathan, Ravi & Sun, Guoqiang, 2002. "A direct test for the mean variance efficiency of a portfolio," Journal of Economic Dynamics and Control, Elsevier, vol. 26(7-8), pages 1195-1215, July. [Downloadable!] (restricted)
  9. Marco Del Negro & Robin Brooks, 2002. "The Rise in Comovement Across National Stock Markets: Market Integration or Global Bubble?," IMF Working Papers 02/147, International Monetary Fund.
  10. Robin Brooks & Marco Del Negro, 2002. "The rise in comovement across national stock markets: market integration or IT bubble?," Working Paper 2002-17a, Federal Reserve Bank of Atlanta. [Downloadable!]
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  11. Gabriele Galati & Kostas Tsatsaronis, 2001. "The impact of the euro on Europe's financial markets," BIS Working Papers 100, Bank for International Settlements. [Downloadable!]
  12. Ravi Jagannathan & Tongshu Ma, 2003. "Risk Reduction in Large Portfolios: Why Imposing the Wrong Constraints Helps," Journal of Finance, American Finance Association, vol. 58(4), pages 1651-1684, 08. [Downloadable!] (restricted)
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  13. Heston, Steven L. & Rouwenhorst, K. Geert, 1994. "Does industrial structure explain the benefits of international diversification?," Journal of Financial Economics, Elsevier, vol. 36(1), pages 3-27, August. [Downloadable!] (restricted)
  14. Ferson, Wayne E & Harvey, Campbell R, 1993. "The Risk and Predictability of International Equity Returns," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 6(3), pages 527-66. [Downloadable!] (restricted)
  15. Breen, William & Glosten, Lawrence R & Jagannathan, Ravi, 1989. " Economic Significance of Predictable Variations in Stock Index Returns," Journal of Finance, American Finance Association, vol. 44(5), pages 1177-89, December. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Bastien Drut, 2009. "Sovereign Bonds and Socially Responsible Investment," Working Papers CEB 09-014.RS, Université Libre de Bruxelles, Solvay Brussels School of Economics and Management, Centre Emile Bernheim (CEB). [Downloadable!]
    Other versions:
  2. Larsen, Ryan & Vedenov, Dmitry & Leatham, David, 2009. "Enterprise-level risk assessment of geographically diversified commercial farms: a copula approach," 2009 Annual Meeting, January 31-February 3, 2009, Atlanta, Georgia 46763, Southern Agricultural Economics Association. [Downloadable!]
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