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...

A long literature in demography debates the importance of place for health. This paper assesses whether the importance of dense settlement for child mortality and child height is moderated by exposure to local sanitation behavior. Is open defecation, without a toilet or latrine, worse for infant...