Hideaki, AOYAMA; Hiroshi, YOSHIKAWA; Hiroshi, IYETOMI; … - Research Institute of Economy, Trade and Industry (RIETI) - 2008
We study productivity dispersions across workers, firms and industrial sectors. Empirical study of data on Japanese firms shows that they all obey the Pareto law, and also that the Pareto index decreases with the level of aggregation. In order to explain these two stylized facts, we propose a...