Modern Schumpeterian growth theory focuses on the product line as the main locus of innovation and exploits endogenous product proliferation to sterilize the scale effect. The empirical core of this theory consists of two claims: (i) growth depends on average employment (i.e., employment per...

We study the entry and exit dynamics of nonprofit public charities using 1989-2003 tax return data. The observed patterns can be understood using a dynamic industry model based on Jovanovic (1982) that incorporates profit-deviation and a non-redistribution constraint. Both features generate a...