Hayek Chides Schumpeter on the Assumption of “Imputation” Outside the Market

The breathtaking naivete of the Orthodox Line should have been evident even in the 1940s. As Hayek later chided Schumpeter on the assumption of “imputation” outside the market, this formulation “presumably means . . . that the valuation of the factors of production is implied in, or follows necessarily from the valuation of consumers’ goods. But . . . implication is a logical relationship which can be meaningfully asserted only of propositions simultaneously present to one and the same mind.”

Economists were convinced of the Lange solution because they had already come under the sway of the Walrasian general equilibrium model; Schumpeter, for example, was an ardent Walrasian. In this model, the economy is always in static general equilibrium, a changeless world in which all “data” — tastes or value scales, alternative technologies, and lists of resources — are known to everyone, and where costs are known and always equal to price. The Walrasian world is also one of “perfect” competition, where prices are given to all managers. Indeed, both Taylor and Lange make the point that the Socialist Planning Board will be better able to calculate than capitalist markets, since the socialist planners can ensure “perfect competition,” whereas the real world of capitalism is shot through with various sorts of  “monopolies”! The socialist planners can act like the absurdly fictional Walrasian “auctioneer,” bringing about equilibrium rapidly by trial and error.

—Murray N. Rothbard, “The End of Socialism and the Calculation Debate Revisited,” Review of Austrian Economics 5, no. 2 (1991): 55-56.