We study environments where a production process is jointly shared by a finite group of agents. The social decision involves the determination of input contribution and output distribution. We define a competitive solution when there is decreasing returns-to-scale and show that it leads to a...

This paper evaluates the sources of transitory market power in the market for personal computer (PCs) during the late 1980s. Our analysis is motivated by the coexistence of low barriers to entry into the PC industry and high rates of innovative investment by a small number of PC manufacturers.

If we express our knowledge in sentences, we will find that these sentences to some extent are linked by logical rules. We ask whether the structure logic imposes on our knowledge restricts what we forget and what we remember. The model is a two period S5-style modal logic. In this logic we...

Using a unique newly constructed data set on Israeli IPO firms in the 1990s, we study costs and benefits of universal banking. The post-issue accounting profitability of firms underwritten by bank affiliated underwriters that were also borrowers from the same bank in the IPO year, is...

The paper contributes to the debate abouyt whether market incentives induce excessive concentration of the urban population in cities that are too large. It answers two related questions which have not been satisfactorily answered in the existing literature. The first is whether the very...

The paper provides a general equilibrium analysis in which individual decisions determine the aggregate divorce rate and are influenced by it. Reinforcement is caused by search frictions and a meeting technology whereby remarriage is more likely if the divorce rate is higher, implying multiple...