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Towards an Economic Theory of Replacement Investment
Martin S. Feldstein
Michael Rothschild
Abstract
This paper develops an economic theory of replacement investment that can provide a basis for specifying an econometric model of investment behavior. The long-run and short-run effects of changes in the interest rate and in tax laws are examined. The paper also investigates several reasons why the common assumption of a technologically constant rate of replacement is incorrect even as an asymptotic limit.
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