incorporates endogenous product selection within firms. Our findings suggest that product switching contributes to a reallocation …

We build a model of firm-level innovation, productivity growth and reallocation featuring endogenous entry and exit. A … provides a good fit to the dynamics of firm entry and exit, output and R&D, and its implied elasticities are in the ballpark of … key feature is the selection between high- and low-type firms, which differ in terms of their innovative capacity. We …

By studying the effect of different patterns of demand in an evolutionary selection model this paper shows how product … differentiation reduces competitive selection pressure and thus increases the chances for the coexistence of firms. With the example …

firms shows that trade leads to between-firm reallocations and selection: it shifts employment towards firms with the best … attributes and forces marginal firms to exit. The model also illustrates the role of heterogeneity, and its various sources, in …

By studying the effect of different patterns of demand in an evolutionary selection model this paper shows how product … differentiation reduces competitive selection pressure and thus increases the chances for the coexistence of firms. With the example …

firms shows that trade leads to between-firm reallocations and selection: it shifts employment towards firms with the best … attributes and forces marginal firms to exit. The model also illustrates the role of heterogeneity, and its various sources, in …