persistence is lower with heterogeneity in price stickiness than without it, taking as given the degree of persistence in …

This paper studies how firm heterogeneity in terms of productivity affects the balance between agglomeration and … mark-ups. It shows that firm heterogeneity matters. However, whether it shifts the balance from agglomeration to dispersion … 'evenness'. Accordingly, the role of firm heterogeneity in selection models of agglomeration cannot be fully understood without …

heterogeneity in risks. I distinguish between heterogeneity in risk preferences and risk perceptions underlying the unexplained … heterogeneity, I find that the welfare conclusions regarding adversely selected markets are substantially different. The source of … heterogeneity is also essential for the evaluation of different interventions intended to correct inefficiencies due to adverse …

recently re-emerged due to the availability of an appropriate and parsimonious framework to deal with firm heterogeneity …. Within this framework we show that non-separable utility, variable demand elasticity and endogenous firm heterogeneity cause … that the extent of the errors depends on the degree of firm heterogeneity. In particular, the inefficiency of the market …

enhancing the assignment of workers to jobs in the face of firm productivity heterogeneity and skill-biased technological change … emerging from the analysis is that the degree of firm productivity heterogeneity, in terms of skewness and variance, matters …