What Does Determine the Profit Rate? The Neoclassical Theories Presented in Introductory Textbooks

Michele I Naples and Nahid Aslanbeigui

Cambridge Journal of Economics, 1996, vol. 20, issue 1, 53-71

Abstract: The theory of the profit rate varies across introductory texts. Economic profits are caused by entrepreneurship or not. Entrepreneurship is a kind of human capital or not. Normal profits are determined in the money market, the market for loanable funds, or a hybrid market involving demand or supply of physical capital. The downward-sloping demand for capital reflects diminishing marginal productivity (the Cambridge controversy is forgotten) or rank-ordered investment projects. The supply is a physical capital stock, accumulated or current saving(s) (or wealth), or desired accumulation. The authors conclude that the inconsistencies and confusions in the textbooks reflect the state of high theory. (c) 1996 Academic Press Limited Copyright 1996 by Oxford University Press.

Date: 1996
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