Surface water pollution has a significant, non-monotonic effect on the infant mortality rate in China. As surface water quality deteriorates, the infant mortality rate first increases and then decreases. Thus, moderate levels of pollution are the most dangerous

Modern trade theory emphasizes firm-level productivity differentials to explain the cross-border activities of non-financial firms. This study tests whether a productivity pecking order also determines international banking activities. Using a novel dataset that contains all German banks'...

We analyse the dynamic labour participation behaviour of Korean women. State dependence under unobserved heterogeneity is considered, where the heterogeneity may be unrelated, pseudo-related, or arbitrarily related to regressors. Three minor methodological contributions are made: interaction...