The 1956 contribution to economic growth theory by Robert Solow: a major landmark and some of its undiscovered riches

The famous ‘1956’ contribution by Robert Solow was always thought to be central to positive, or descriptive, economic growth theory. We show that it is also at the core of optimal growth, because the Fisher equation of competitive equilibrium is nothing short of an Euler equation; it corresponds to...

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Veröffentlicht in:Oxford review of economic policy 2007-04, Vol.23 (1), p.15-24
1. Verfasser: de La Grandville, Olivier
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description The famous ‘1956’ contribution by Robert Solow was always thought to be central to positive, or descriptive, economic growth theory. We show that it is also at the core of optimal growth, because the Fisher equation of competitive equilibrium is nothing short of an Euler equation; it corresponds to the maximization of the sum of discounted consumption flows. From this equation an optimal savings rate results with reasonable, very reachable values. We also show the importance of the elasticity of substitution: there is a threshold value of this parameter leading to a permanent growth rate of income per person that is above the labour-augmenting rate of technical progress, and that rate does depend upon the investment–saving ratio.
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source Jstor Complete Legacy; Oxford University Press Journals Current; PAIS Index
subjects competitive equilibrium
Consumer economics
Economic elasticity
Economic growth
Economic growth theories
Economic theory
Elasticity
elasticity of substitution
Equilibrium
Euler equation
Euler equations
Growth models
Landmarks
Middle Ages
Numerical analysis
optimal economic growth
Production functions
Savings rates
Solow, Robert M
Steady state economies
Studies
Utility functions
title The 1956 contribution to economic growth theory by Robert Solow: a major landmark and some of its undiscovered riches
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