Many studies using business-level microdata have documented large size average differences across plant ages. New businesses tend to be much smaller than their established industry competitors. This size gap also closes slowly, taking well over a decade on average. We show that even for...

Many studies using business-level microdata have documented large size average differences across plant ages. New businesses tend to be much smaller than their established industry competitors. This size gap also closes slowly, taking well over a decade on average. We show that even for...