We consider a tractable model of heterogeneous production units that features endogenous entry and productivity investment to assess the quantitative impact of policy distortions on aggregate output and establishment size. Relative to the standard factor misallocation framework, policy...

A decline in the net entry rate of employer firms in the United States in the last decades, a decline in business dynamism, may explain the observed productivity slowdown. We consider the role of nonemployers, businesses without paid employees, in business dynamism and aggregate productivity....

We construct a new dataset for the average employment size of establishments across sectors and countries from hundreds of sources. Establishments are larger in manufacturing than in services, and in each sector they are larger in richer countries. The cross-country income elasticity of...