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The Dynamics of Geographic versus Sectoral Diversification: Is There a Link to the Real Economy?

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Carrieri, Francesca (McGill U)
Errunza, Vihang
Sarkissian, Sergei

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Abstract

We study the dynamics of gains from sectoral versus geographic diversification and relate economic sources to changes in those gains. We estimate conditional correlations between returns on the U.S. equity market and 16 equity markets and 10 local industries from other OECD countries and find that the average correlation across countries has increased in relation to that across industries. We also show that this process is accompanied by increased alignment in the industrial structures across countries and an increase in the average conditional correlation of aggregate production growth across countries relative to that of disaggregated production growth, especially among developed economies. Thus, the increased benefits of industry-level investing across developed markets are reflected in the real side of the global economy. However, country-level investing should remain the predominant asset allocation approach in emerging markets.

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Paper provided by University of Pennsylvania, Wharton School, Weiss Center in its series Working Papers with number 06-4.

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Date of creation: Mar 2006
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Handle: RePEc:ecl:upafin:06-4

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G12 - Financial Economics - - General Financial Markets - - - Asset Pricing

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(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. Lewis, Karen K., 2006. "Is the International Diversification Potential Diminishing? Foreign Equity Inside and Outside the US," Working Papers 06-6, University of Pennsylvania, Wharton School, Weiss Center. [Downloadable!]
  2. Lieven Baele & Koen Inghelbrecht, 2005. "Structural versus Temporary Drivers of Country and Industry Risk," International Finance 0511005, EconWPA. [Downloadable!]
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  3. Karen K. Lewis, 2006. "Is the International Diversification Potential Diminishing? Foreign Equity Inside and Outside the US," NBER Working Papers 12697, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  4. Roberto A. De Santis & Lucio Sarno, 2008. "Assessing the benefits of international portfolio diversification in bonds and stocks," Working Paper Series 883, European Central Bank. [Downloadable!]
  5. Bekaert, Geert & Hodrick, Robert J. & Zhang, Xiaoyan, 2005. "International Stock Return Comovements," Working Papers 06-3, University of Pennsylvania, Wharton School, Weiss Center. [Downloadable!]
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  6. Eun, Cheol S. & Lee, Jinsoo, 2006. "Mean-Variance Convergence around the World," Working Papers 06-1, University of Pennsylvania, Wharton School, Weiss Center. [Downloadable!]
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