We extend the sensitivity analysis of cross-country growth regressions of Levine and Renelt (1992) by introducing a semi-parametric formulation of their regression function. Our results differ from theirs in how certain policy variables affect growth rates. We find that distortion variables,...

Introduction to human capital and economic growth -- The concept of human capital : a brief historical review -- Theoretical models of human capital and economic growth -- Human capital and endogenous models of economic growth -- Threshold effects, multiple equilibria, and nonlinearities in...