This paper explores the firm growth rate distribution in a Gibrat’s Law context. The aim is to provide an empirical exploration of the determinants of firm growth. The work is novel in two respects. First, rather than limiting the analysis to focus on the conditional mean growth level, we investigate the complete shape of the distribution. Second, we show that the differences in the firm growth rate process between large and small firms are highly circumstantial. That industry dynamics have a substantial influence on the relationship between firm size and firm growth. The data used includes more than 9000 Danish firms from manufacturing, services and construction. We provide robust evidence indicating that firm growth studies should be less obsessed with explaining means and instead look to other parts of the firm growth rate distribution.

Journal of Evolutionary Economics, Vol. 20, No. 2, pp. 219-231 (2010)

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Many theories either implicitly or explicitly assume that individuals readily move to locations that improve their financial well being. Other forces, however, counteract these tendencies; for example, people often wish to remain close to family and friends. We introduce a methodology for determining how individuals weight these countervailing forces, and estimate how both financial incentives and social factors influence the probability of geographic mobility in the Danish population from 2002 to 2003. Our results suggest that individuals respond to opportunities for higher pay elsewhere, but that their sensitivity to this factor pales in comparison to their preferences for living near family and friends.

Social Forces, Vol. 89, No. 2, December 2010, DOI link to paper