Interest Rates and the Durability of Consumption Goods

53 Pages Posted: 19 Sep 2001

See all articles by Harry Mamaysky

Harry Mamaysky

Columbia University - Columbia Business School

Date Written: September 2001


In this article I study an economy with irreversible durable investment and investors who consume a durable and a nondurable good. In a general equilibrium setting, these assumptions lead to endogenous variation in the implied risk aversion of investors and in the term structure of interest rates. In the model, the magnitude of the intertemporal elasticity of substitution places certain restrictions on the joint dynamical behavior of durable consumption, nondurable consumption, and the yield curve. Tests of the model using postwar U.S. data are supportive of these restrictions. However, while the model is able to generate a relatively large term spread, the level and the variation of the resultant short rate are not empirically plausible. An approximate closed form solution of the model is derived.

JEL Classification: G1, D5, E2

Suggested Citation

Mamaysky, Harry, Interest Rates and the Durability of Consumption Goods (September 2001). Available at SSRN: or

Harry Mamaysky (Contact Author)

Columbia University - Columbia Business School ( email )

3022 Broadway
New York, NY 10027
United States

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