This paper studies the productivity impact of heterogeneous capital inputs of selected EU-15 member countries and of the U.S. at the macroeconomic level. The stochastic possibility frontiers approach of Battese and Coelli (1992) applied here is used to identify neutralities or nonneutralities...

This paper investigates the impact of human capital on economic growth in Guatemala through the application of an error-correction methodology. Two channels are analyzed, by which human capital is expected to influence growth. A better-educated labor force appears to have a positive and...