We utilize county-level data to explore the roles of different types of human capital accumulation in U.S. growth determination. The data includes over 3,000 cross-sectional observations and 39 demographic control variables. The large number of observations provides enough degrees of freedom to...

Human capital plays an important role in the theory of economic growth, but it has been difficult to measure this abstract concept. We survey the psychological literature on cross-cultural IQ tests, and conclude that modern intelligence tests are well-suited for measuring an important form of a...

En los últimos años, se han realizado diversos estudios a nivel mundial utilizando el modelo de crecimiento y convergencia económica, a través de países y de regiones. Para el caso de México, hasta la segunda mitad de los noventas comienza el análisis empírico de la convergencia...

I show that in a conventional Ramsey model, between one-fourth and one- half of income differences across countries can be explained by a single factor: The steady-state effect of large, persistent differences in national average IQ on worker productivity. These differences in cognitive...

The years following the Second World War were those of the greatest economic growth that Europe had ever seen. If the countries of the Iberian Peninsula, neutral in the conflict and ruled by dictatorial regimes, enjoyed that growth and had participated in the convergence phenomenon, Ireland,...

Most opportunistic-type models of political business cycles tend to posit a given objective for incumbents: maximisation of re-election chances. Though taking an opportunistic view too, we suggest a new explanation for a fiscal policy cycle: the incumbent’s concern with her own welfare in...

The years following the Second World War were those of the greatest economic growth that Europe had ever seen. If the countries of the Iberian Peninsula, neutral in the conflict and ruled by dictatorial regimes, enjoyed that growth and had participated in the convergence phenomenon, Ireland,...

This paper compares the out-of-sample forecasting accuracy of five classes of time series models for market shares of the six most important Portuguese car market competitors over differents horizons. As representative time series models I employ a random-walk with drift (Naive), a univariate...