This paper proposes a quantitative model of firm dynamics with endogenous innovation to study growth acceleration episodes triggered by reforms. The authors find that reforms removing barriers to firm entry lead to persistent growth in TFP and declining average firm size, as in the experience of...

This study collects data on the sophistication of technologies used at the business function level for a representative sample of firms in Vietnam, Senegal, and the Brazilian state of Ceara. The analysis finds a large variance in technology sophistication across the business functions of a firm....