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Risk, Monetary Policy and the Exchange Rate

  • Gianluca Benigno
  • Pierpaolo Benigno
  • Salvatore Nisticò

In this research, we provide new empirical evidence on the importance of time-varying uncertainty for the exchange rate and the excess return in currency markets. Following an increase in monetary policy uncertainty, the dollar exchange rate appreciates in the medium run, while an increase in the volatility of productivity leads to a dollar depreciation. We propose a general-equilibrium theory of exchange rate determination based on the interaction between monetary policy and time-varying uncertainty aimed at understanding these regularities. In the model, the behaviour of the exchange rate following nominal and real volatility shocks is consistent with the empirical evidence. Furthermore we show that risk factors and interest-rate smoothing are important in accounting for the negative coefficient in the UIP regression.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 17133.

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Date of creation: Jun 2011
Date of revision:
Publication status: published as Gianluca Benigno & Pierpaolo Benigno & Salvatore Nistic�, 2012. "Risk, Monetary Policy, and the Exchange Rate," NBER Macroeconomics Annual, University of Chicago Press, vol. 26(1), pages 247 - 309.
Handle: RePEc:nbr:nberwo:17133
Contact details of provider: Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A.
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