An analytical study of the evolution of the distribution of firm size in an industry is presented. A drift-diffusion model is proposed to express the time-evolution of density of firm size within the industry. The model blends the conventional, more or less static, determinants with the kinds of...

The study is motivated by the observation that a striking convergence of real wages has taken place, among many countries now in the OECD. What drives this phenomenal convergence, and is the experience unique in recorded economic history? In order to quantify the process, we explore a novel...