Endogenous Growth, Productivity and Economic Policy: A Progress Report

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Abstract

This article surveys the development of endogenous growth theory from its origins in Romer (1986) and Lucas (1988) through Schumpeterian innovation-based models, assessing how the theory has evolved in response to empirical findings. Key policy insights discussed include: technology transfer policies enable convergence to the productivity growth rate of the technological leader; educational attainment, population health, public infrastructure, and tax policy are important productivity drivers; and competition policy can spur innovation by incentivizing firms to escape competition by maintaining technological leadership. The article reviews empirical successes and remaining weaknesses of the theory.

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