Constant Returns to Scale: Can the Neoclassical Economy Exist?
Constant returns to scale (CRS) is one of the corner-stones of the competitive general equilibrium paradigm of neoclassical economics. This note argues that the equilibrium solutions of this paradigm are not compatible with CRS. CRS implies that all producers (whatever their scale of production) can produce goods at the same unit costs: and this makes self-production a feasible alternative to market production. In the event, an infinite number of equilibria become possible with a mix of markets and self-production. If labor is the only factor of production, self-production becomes the only option: and the market economy ceases to exist.
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- James Tobin, 1985.
"Neoclassical Theory in America: J.B. Clark and Fisher,"
Cowles Foundation Discussion Papers
776, Cowles Foundation for Research in Economics, Yale University.
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- Young, Allyn A., 1928. "Increasing Returns and Economic Progress," History of Economic Thought Articles, McMaster University Archive for the History of Economic Thought, vol. 38, pages 527-542.
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