Lustig and Verdelhan (2007) argue that the excess returns to borrowing US dollars and lending in foreign currency "compensate US investors for taking on more US consumption growth risk," yetthese excess returns are all approximately uncorrelated with the consumption risk factors they study....

Zero-investment uncovered interest parity (UIP) portfolio positions provide perfect factor-mimicking portfolios for currency risk in the International CAPM context. Their returns are the currency risk premia. Since the UIP positions on average provide low returns, the currency risk premia must...

Aggregate consumption growth risk explains why low interest rate currencies do not appreciate as much as the interest rate differential and why high interest rate currencies do not depreciate as much as the interest rate differential. We sort foreign T-bills into portfolios based on the nominal...