Some observations on models of growth and distribution with autonomous demand growth

Abstract

Abstract This paper offers some theoretical and methodological observations on a model of growth and distribution, recently developed by Franklin Serrano and others and called the Sraffian supermultiplier model, in which the growth of autonomous capitalist consumption demand and distribution are exogenously given and capacity utilization is at an exogenously given “normal” level in long‐run equilibrium. First, it provides a simple long‐run equilibrium version and dynamic formulation of the model, and compares it to other models of growth and distribution using a common framework and focusing on the effect of a change in income distribution on growth. Second, it shows that the model can be modified to examine other components of autonomous demand growth, including government spending, exports, consumption by workers, and investment and technical change, and to simultaneous multiple sources of autonomous demand growth. Finally, it comments on some methodological issues concerning the model, and on its implications for the notion of long‐run equilibrium.

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