By using nonparametric and panel data econometrics, this paper re-assesses the effect of both the current level of economic activity and of future expected demand on the dynamics of the price mark-up over marginal cost in US manufacturing industries from 1958 to 1996. Consistently with previous...

Although there is a large and rapidly growing literature on the determinants of regional variation in new firm formation, relatively little is known about the interrelation between the characteristics of start-up firms and urban structure. It is only recently that scholars of urban economics...