What is the impact of international migration on the wage structure? Empirically, it is difficult to find any effect at all. This essay gives a new theoretical explanation for this conspicuous absence, emphasising non-convexities in the technology of individual firms due to communication costs....

Using a simple model of social learning, we endogenize growth and distribution in a dualistic developing society. For given parameters of the learning technology, a trade-off between growth and equity results. On the other hand, more intensive social interaction between agents will raise the...

In economic reality, reactions to external shocks often come with a delay. On the other hand, agents try to anticipate future developments. Both can lead to difference-differential equations with an advancing argument. These are more difficult to handle than either difference or differential...

Rajan and Zingales (1998) use U.S. Compustat firm data for the 1980s to obtain measures of manufacturing sectors' Dependence on External Finance (DEF). They take any differences in these measures to be structural/technological and thus applicable to other countries. Their joint assumptions about...

We present a comparable set of results on the monetary transmission channels on firm investment for the four largest euro-area countries (Germany, France, Italy and Spain). With particularly rich micro datasets for each country containing over 215,000 observations from 1985 to 1999, we explore...

Rajan amp; Zingales (1998) use U.S. Compustat firm data for the 1980s to obtain measures of manufacturing sectors' Dependence on External Finance (DEF). They take any differences in these measures to be structural/technological and thus applicable to other countries. Their joint assumptions...

This paper provides one explanation why cash is still used for transactions despite a broad diffusion of noncash payment instruments. In particular, we argue that a distinctive feature of cash—a glance into one's pocket gives a signal of the remaining budget and past expenses—provides...