In "new economic geography" models, spatial concentration typically arises either because of worker mobility or because of vertical linkages among firms. We examine a setup that combines those two approaches in conjunction with local congestion costs. We find that, as trade costs are lowered,...

Whereas the data on civilian refugees admitted by Switzerland during the war are accepted by all, the figures on persons turned away are much more uncertain. Everyone uses today the 1996 estimates by Guido Koller. It is shown that these estimates were calculated in a questionable manner and that...

This paper studies the impact of cash constraints on equilibrium winning probabilities in a patent race between an incumbent and an entrant. We develop a model where cash-constrained firms finance their R&D expenditures with an investor who cannot verify their effort. In equilibrium, the...

In this paper we entertain the hypothesis that observed variations in income shares are the result of changes in the balance of power between workers and capital owners in labor relations. We show that this view implies that income share variations represent a risk factor of ¯rst-order...

The OLS estimator of the intergenerational earnings correlation is biased towards zero, while the instrumental variables estimator is biased upwards. The first of these results arises because of measurement error, while the latter rests on the presumption that the education of the parent family...

Woodford (1999 and 2003) has raised the theoretical possibility that in a standard, forward looking sticky price model, an independent channel of inertia might arise as a result of policy behavior. We analyze this assertion empirically, and estimate a standard model, in which the monetary...

We develop a reciprocity-based model of wage determination and incorporate it into a modern dynamic general equilibrium framework. We estimate the model and find that, among potential determinants of wage policy, rent-sharing (between workers and firms) and a measure of wage entitlement are...

Recent studies have found unmeasured intangible capital to be large and important. In this paper we observe that by nature intangible capital is also very different from physical capital. We find it plausible to argue that the accumulation process for intangible capital differs significantly...