Arbitrage and the Expectations Hypothesis
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- Author(s): Francis A. Longstaff
- Published: Dec 17, 2002
- Pages: 989-994
- DOI: 10.1111/0022-1082.00234
This paper shows that all traditional forms of the expectations hypothesis can be consistent with the absence of arbitrage if markets are incomplete. A key implication is that the validity of the expectations hypothesis is purely an empirical issue; the expectations hypothesis cannot be ruled out on a priori theoretical grounds.