Forward Unbiasedness in the Short End of the Interest Rate Market

Samih Antoine Azar

International Business Research, 2018, vol. 11, issue 2, 70-78

Abstract: Forward rate unbiasedness postulates that the forward rate is an unbiased estimator or predictor of the future spot rate. This case of risk neutrality has been tested extensively especially in the foreign exchange market. This paper departs from this line of research and studies unbiasedness at the short end of the interest rate market. Although, a priori, an investment of 6 months and an investment of three months rolled over for an additional 3 months are commonly believed to be riskless at first approximation, our results show otherwise. The precision of our estimators unveil a small but statistically significant risk premium. The latter has two components, a constant risk premium and a time-variable one. The constant risk premium is estimated to be 14.4 basis points. The time-variable risk premium ranges between a maximum of 184.6 basis points, and a minimum of -123.2 basis points, and averages 5.4 basis points. The methodology in this paper is amenable and adaptable, with little adjustments, to other maturities. This is an agenda for the future.

Keywords: unbiasedness; short term; interest rate market; neutrality; risk (search for similar items in EconPapers)
JEL-codes: C22 E43 G12 G14 (search for similar items in EconPapers)
Date: 2018
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