Discussion Paper Details

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Title: Has the Pricing of Stocks Become More Global?

Author(s): Ivan Petzev, Andreas Schrimpf and Alexander F Wagner

Publication Date: November 2015

Keyword(s): factor models, financial integration, international asset pricing, momentum, size and value

Programme Area(s): Financial Economics

Abstract: We show that in recent years global factor models have been catching up significantly with their local counterparts in terms of explanatory power (R) for international stock returns. This catch-up is driven by a rise in global factor betas, not a rise in factor volatilities, suggesting that the effect is likely to be permanent. Yet, there is no conclusive evidence for a global factor model catch-up in terms of pricing errors (alpha) or a convergence in country-specific factor premia. These findings suggest that global financial markets have progressed surprisingly little towards fully integrated pricing, different from what should be expected under financial market integration. We discuss alternative explanations for these patterns and assess implications for practice.

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Bibliographic Reference

Petzev, I, Schrimpf, A and Wagner, A. 2015. 'Has the Pricing of Stocks Become More Global?'. London, Centre for Economic Policy Research.