We develop a preliminary version of an Integrated Longitudinal Business Database (ILBD) that combines administrative records and survey data for all employer and nonemployer business units in the United States. Unlike other large-scale business databases, the ILBD tracks business transitions...

Survey data from 120 developing countries are used to examine the relation between establishment size and age in the formal sector. Existing research suggests that manufacturing establishments in developing countries do not grow over time, most likely because of market imperfections and...