scholarly journals Forward Discount Bias: Is it an Exchange Risk Premium?

1989 ◽  
Vol 104 (1) ◽  
pp. 139 ◽  
Author(s):  
Kenneth A. Froot ◽  
Jeffrey A. Frankel
Keyword(s):  
Risk Premium ◽  
Exchange Risk ◽  
Forward Discount ◽  
Forward Discount Bias

scholarly journals Forward Discount Bias, Nalebuff's Envelope Puzzle, and the Siegel Paradox in Foreign Exchange

2002 ◽  
Vol 2 (1) ◽  
Author(s):  
Aaron S. Edlin
Keyword(s):  
Exchange Rates ◽  
Foreign Exchange ◽  
Risk Premium ◽  
Jensen’S Inequality ◽  
Jensen's Inequality ◽  
The Real ◽  
Inflation Bias ◽  
Forward Discount ◽  
Forward Discount Bias

The bias of forward exchange rates as a predictor of future spot rates is typically explained or decomposed as (1) a risk premium and (2) a convexity term which accounts for the fact that, when there is stochastic inflation, nominal gains from forward currency speculation are higher than real ones and correspondingly losses are smaller. We use Nalebuff’s envelope puzzle to explain a third source of bias which involves real profits from foreign exchange speculation. Both the "real profit" bias and stochastic inflation bias arise from convexity of g(s)=1/s and so derive from Jensen's inequality as observed by Siegel (1972).

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