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Geographic versus industry diversification: constraints matter

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  • Ehling, Paul
  • Ramos, Sofia Brito

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. JEL Classification: G11, G15

Suggested Citation

  • Ehling, Paul & Ramos, Sofia Brito, 2005. "Geographic versus industry diversification: constraints matter," Working Paper Series 425, European Central Bank.
  • Handle: RePEc:ecb:ecbwps:2005425
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    Cited by:

    1. Bastien Drut, 2010. "Sovereign Bonds and Socially Responsible Investment," Journal of Business Ethics, Springer, vol. 92(1), pages 131-145, April.
    2. Lieven Moor & Piet Sercu, 2010. "Country v sector effects in equity returns and the roles of geographical and firm-size coverage," Small Business Economics, Springer, vol. 35(4), pages 433-448, November.
    3. Kpate ADJAOUTE & Jean-Pierre DANTHINE, 2004. "Equity Returns and Integration: Is Europe Changing?," FAME Research Paper Series rp117, International Center for Financial Asset Management and Engineering.
    4. De Moor, Lieven & Sercu, Piet, 2011. "Country versus sector factors in equity returns: The roles of non-unit exposures," Journal of Empirical Finance, Elsevier, vol. 18(1), pages 64-77, January.
    5. Larsen, Ryan A. & Mjelde, James W. & Klinefelter, Danny A. & Wolfley, Jared L., 2009. "Geographical Diversification in Agriculture: An Applied Case to Western U.S. Wheat Growers," 2009 Annual Meeting, January 31-February 3, 2009, Atlanta, Georgia 46819, Southern Agricultural Economics Association.
    6. Marie Brière & Bastien Drut & Valérie Mignon & Kim Oosterlinck & Ariane Szafarz, 2013. "Is the Market Portfolio Efficient? A New Test of Mean-Variance Efficiency when all Assets are Risky," Finance, Presses universitaires de Grenoble, vol. 34(1), pages 7-41.
    7. José G. Dias & Sofia B. Ramos, 2015. "An Analysis of Industry Regimes Synchronization in the Eurozone," Journal of Common Market Studies, Wiley Blackwell, vol. 53(2), pages 255-273, March.
    8. Larsen, Ryan A. & Leatham, David J. & Mjelde, James W. & Wolfley, Jared L., 2008. "Geographical Diversification: An Application of Copula Based CVaR," 2008 Agricultural and Rural Finance Markets in Transition, September 25-26, 2008, Kansas City, Missouri 119533, Regional Research Committee NC-1014: Agricultural and Rural Finance Markets in Transition.
    9. repec:eee:finana:v:55:y:2018:i:c:p:23-34 is not listed on IDEAS
    10. repec:dau:papers:123456789/9297 is not listed on IDEAS
    11. repec:eee:jimfin:v:78:y:2017:i:c:p:64-83 is not listed on IDEAS
    12. Fedenia, Mark & Shafer, Sherrill & Skiba, Hilla, 2013. "Information immobility, industry concentration, and institutional investors’ performance," Journal of Banking & Finance, Elsevier, vol. 37(6), pages 2140-2159.
    13. Faias, José A. & Ferreira, Miguel A., 2017. "Does institutional ownership matter for international stock return comovement?," Journal of International Money and Finance, Elsevier, vol. 78(C), pages 64-83.
    14. Marie Briere & Ariane Szafarz, 2018. "Factors and Sectors in Asset Allocation: Stronger Together?," Working Papers CEB 18-016, ULB -- Universite Libre de Bruxelles.
    15. Eiling, Esther & Gerard, Bruno & Hillion, Pierre & de Roon, Frans A., 2012. "International portfolio diversification: Currency, industry and country effects revisited," Journal of International Money and Finance, Elsevier, vol. 31(5), pages 1249-1278.
    16. Hakim, Idwan & Masih, Mansur, 2014. "Portfolio diversification strategy for Malaysia: International and sectoral perspectives," MPRA Paper 58909, University Library of Munich, Germany.
    17. Larsen, Ryan A. & Vedenov, Dmitry V. & Leatham, David J., 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.
    18. Mark Fedenia & Sherrill Shaffer & Hilla Skiba, 2012. "Information immobility, industry concentration, and institutional investors' performance," CAMA Working Papers 2012-24, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.

    More about this item

    Keywords

    block-bootstrap tests; diversification gains; EMU; geographic diversification; industry diversification;

    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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