Published Classic Quarterly Journal of Economics Published May 1992A Contribution to the Empirics of Economic GrowthN. Gregory Mankiw · David Romer · David N. WeilThis 1992 Quarterly Journal of Economics paper by Mankiw, Romer, and Weil tests whether Robert Solow's (1956) neoclassical growth model, augmented to include accumulation of human as well as physical …