Empirical studies have shown that the size distribution of firms can be described as a Pareto distribution. However, these studies have focused on large firms and aggregate statistics. Little attention has been placed on the role of technology in shaping firm size distributions. Using a...

This paper discusses the effects of the existence of natural and/or exogenously imposed thresholds in firm size distributions on estimations of the relation between firm size and the variance in firm growth rates. We argue that these estimations are upwardly biased whenever the threshold...