Solow (1956) as a model of cross-country growth dynamics

Abstract

Despite the widespread popularity of the Solow growth model, much of the recent empirical work based on the classic framework misrepresents a crucial feature of the model. Namely, the growth rate of technological progress, assumed to be exogenous in the Solow model, is often identified as being constant across countries. This simplification of the behavior of technological progess runs counter to the evidence and has had a number of significant implications for the interpretation of the Solow model. One implic…