We develop a panel intensity model, with a time varying latent factor, which captures the influence of unobserved time effects and allows for correlation across individuals. The model is designed to analyze individual trading behavior on the basis of trading activity datasets, which are...

Urban economists have long sought to explain the relationship between urbanization levels and output. In this paper we revisit this question and test the long run stability of a production function with urbanization using non-stationary panel data techniques. Our results show that a long run...