This article uses a unique panel data set of rural El Salvador to investigate the main sources of persistence and variability in incomes. Our econometric framework validly reduces a general panel model to a dynamic linear model with a covariance structure that can be estimated efficiently with...

This study focuses on testing the relationship between income inequality and economic growth within counties in the United States, and the channels through which the effects of a relationship are observed. Based on a system of equations estimation, the empirical results confirm the hypotheses...

In this study it is demonstrated that standard income inequality measures, such as the Lorenz curve and the Gini index, can successfully be applied to the distribution of Olympic success. Olympic success is distributed very unevenly, with the rich countries capturing a disproportionately higher...