This paper shows the importance of technological synergies among heterogeneous firms for aggregate fluctuations. First, we document six novel empirical facts using microdata that suggest the existence of important technological synergies between trading firms, the presence of positive...

We characterize the sharing rule that achieves efficiency in a contribution mechanism when agents are heterogeneous. This rule is not the one that was found by Sen when agents are identical. We also show that for a large class of sharing rules if Nash equilibrium yields efficient allocations,...

We use data on wages and rents in different U.S. cities to assess the amenity effects on production and consumption of cultural diversity as measured by diversity of countries of birth of city residents. We show that US-born citizens living in metropolitan areas where the share of foreign-born...

This paper examines how success-at-work, interpreted by both subjective and relative criteria, can motivate individuals to enhance their effort and utility. We employ a general specification utility function and show that the final effect of technological growth on individuals' effort and...

We use data on wages and rents in different U.S. cities to assess the amenity effects on production and consumption of cultural diversity as measured by diversity of countries of birth of city residents. We show that US-born citizens living in metropolitan areas where the share of foreign-born...

This paper surveys selectively several contributions to the understanding of how cooperatives may cope with the interplay between meritocracy and efficiency when public decisions are taking by voting and the supply of labor is freely decided by each member. This outlines the main trade-off faced...