This article provides empirical evidence that environmental legislation affecting coal mining employment passed in 1977 had different effects on Western Kentucky, where the coal is of higher sulfur content, compared to Eastern Kentucky, where coals are of lower sulfur content, while the 1990...

This study investigates the pattern of knowledge spillovers arising from patent activity between European regions. A Bayesian hierarchical model is developed that specifies region-specific latent effects parameters modeled using a connectivity structure between regions that can reflect...