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Measuring Financial Asset Return and Volatility Spillovers, with Application to Global Equity Markets

2008/12/09 by Francis X. Diebold, Kamil Yilmaz, Kamil Yılmaz · 47 citations
Economics, Econometrics and Finance · #Market Dynamics and Volatility #Financial Risk and Volatility Modeling #Financial Markets and Investment Strategies

paper · doi:10.1111/j.1468-0297.2008.02208.x

Abstract

We provide a simple and intuitive measure of interdependence of asset returns and/or volatilities. In particular, we formulate and examine precise and separate measures of return spillovers and volatility spillovers. Our framework facilitates study of both non‐crisis and crisis episodes, including trends and bursts in spillovers; both turn out to be empirically important. In particular, in an analysis of 19 global equity markets from the early 1990s to the present, we find striking evidence of divergent behaviour in the dynamics of return spillovers vs. volatility spillovers: return spillovers display a gently increasing trend but no bursts, whereas volatility spillovers display no trend but clear bursts.

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