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The Expectations Theory in the Money Market: Details Matter

19 Pages Posted: 17 Feb 2006  

Ludwig B. Chincarini

University of San Francisco School of Management; University of San Francisco - School of Business and Management

Date Written: October 16, 2002

Abstract

One of the most popular theories of the term structure of interest rates is the pure expectations theory. In its purest form it postulates that long term interest rates are a reflection of the market's perception of future short term rates. Almost all of the tests of the pure form of this theory with financial markets of various countries have resulted in a rejection of the theory. A standard approach of most of the literature is to linearize the equations associated with the theory and then estimate a linear regression to determine if the spread is indeed a predictor of future short rates. While this approximation is valid for testing the expectations hypothesis when the spread is between long and short duration instruments, researchers should be careful applying this technique to money market spreads. In particular, this approximation will not be valid for very flat term structures, which is usually the case for bills with less than twelve months to maturity.

This paper uses simulations to show how erroneous conclusions can be drawn by using this approximation in the money market and re-examines the pure expectations theory for the money markets of various countries using the DOLS approach to estimating series that are cointegrated. The conclusions are different from other studies on this subject and are particularily supportive of the expectation's hypothesis. In fact, while the theory is sometimes rejected (accepted) when using approximations, it is accepted (rejected) using the exact formulas.

Keywords: money markets, expectations theory of term structure, fixed income

Suggested Citation

Chincarini, Ludwig B., The Expectations Theory in the Money Market: Details Matter (October 16, 2002). Available at SSRN: https://ssrn.com/abstract=883351 or http://dx.doi.org/10.2139/ssrn.883351

Ludwig B. Chincarini (Contact Author)

University of San Francisco School of Management ( email )

San Francisco, CA 94102
United States

University of San Francisco - School of Business and Management ( email )

San Francisco, CA 94117
United States

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