Crash risk in currency markets

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Summary

How much of carry trade excess returns can be explained by the presence of disaster risk? To answer this question, we propose a simple structural model that includes both Gaussian and disaster risk...

How much of carry trade excess returns can be explained by the presence of disaster risk? To answer this question, we propose a simple structural model that includes both Gaussian and disaster risk premia and can be estimated even in samples that do not contain disasters. The model points to a novel estimation procedure based on currency options with potentially different strikes. We implement this procedure on a large set of countries over the 1996--2008 period, forming portfolios of hedged and unhedged carry trade excess returns by sorting currencies based on their forward discounts. We find that disaster risk premia account for about 25% of expected carry trade excess returns in advanced countries.

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