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New evidence on the forward unbiasedness hypothesis in the foreign‐exchange market
Author(s) -
Nikolaou Kleopatra,
Sarno Lucio
Publication year - 2006
Publication title -
journal of futures markets
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.88
H-Index - 55
eISSN - 1096-9934
pISSN - 0270-7314
DOI - 10.1002/fut.20211
Subject(s) - foreign exchange market , forward rate , econometrics , economics , endogeneity , currency , exchange rate , liberian dollar , foreign exchange , us dollar , exploit , financial economics , monetary economics , computer science , interest rate , finance , computer security
A large empirical literature has tested the unbiasedness hypothesis in the foreign‐exchange market with the use of forward exchange rates. This article amends the conventional testing framework to exploit the information in currency options, with a newly constructed data set for three major dollar exchange rates. The main results are that (a) tests based on stationary regressions suggest that options provide biased predictions of the future spot exchange rate, and (b) co‐integration–based tests that are robust to several statistical problems afflicting stationary regressions and allow for endogeneity issues arising from a potential omitted risk premium term are supportive of unbiasedness. © 2006 Wiley Periodicals, Inc. Jrl Fut Mark 26:627–656, 2006