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The Impact of Euro on Sectoral Equity Returns and Portfolio Risk

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  • Maher Asal

Abstract

This paper examines the implications of the adoption of the euro and the resulting monetary policy integration for investors in the Euro area in terms of stock market diversification. In particular, we study the difference between investment strategies based on country indices and on sector indices. In addition, we use GARCH-M to model return and volatility for the daily sectoral euro equity indices from 1992 to 2009 to analyze how and to what extent volatility in the sector equity index is driven by shocks occurring in the US, aggregate European equity index, aggregate Euro Zone equity index, and the global equity index. We find strong evidence that diversification over sectors yields more efficient portfolios than diversification over countries and that the volatility spillover of the aggregated Euro zone equity return index on the sectoral equity return index has increased after the launch of the euro. Copyright International Atlantic Economic Society 2011

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  • Maher Asal, 2011. "The Impact of Euro on Sectoral Equity Returns and Portfolio Risk," International Advances in Economic Research, Springer;International Atlantic Economic Society, vol. 17(2), pages 119-133, May.
    • Handle: RePEc:kap:iaecre:v:17:y:2011:i:2:p:119-133:10.1007/s11294-011-9292-5
    DOI: 10.1007/s11294-011-9292-5
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    More about this item

    Keywords

    Diversification; Volatility spillover; GARCH-M; G11; C22; C01;
    All these keywords.

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • C01 - Mathematical and Quantitative Methods - - General - - - Econometrics

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