Citation

Discussion Paper Details

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Title: Rare Disasters and Exchange Rates

Author(s): Emmanuel Farhi and Xavier Gabaix

Publication Date: January 2015

Keyword(s): disaster risk, forward premium puzzle, international macro-finance puzzles, risk-reversals and uncovered interest rate parity

Programme Area(s): Financial Economics and International Macroeconomics

Abstract: We propose a new model of exchange rates, based on the hypothesis that the possibility of rare but extreme disasters is an important determinant of risk premia in asset markets. The probability of world disasters as well as each country's exposure to these events is time-varying. This creates joint fluctuations in exchange rates, interest rates, options, and stock markets. The model accounts for a series of major puzzles in exchange rates: excess volatility and exchange rate disconnect, forward premium puzzle and large excess returns of the carry trade, and comovements between stocks and exchange rates. It also makes empirically successful signature predictions regarding the link between exchange rates and telltale signs of disaster risk in currency options.

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Bibliographic Reference

Farhi, E and Gabaix, X. 2015. 'Rare Disasters and Exchange Rates'. London, Centre for Economic Policy Research. https://cepr.org/active/publications/discussion_papers/dp.php?dpno=10334