We present a model of the job market in which the number of workers and companies is uncertain, representing the job search activity as a Poisson game. We allow for heterogeneity of workers and companies and show that in equilibrium more productive types choose higher terms of trade. The Poisson...

This paper presents a model where societies whose population expands, experience advances in specialization at the cost of diluted monitoring, which limits enforcement and hinders trade possibilities. Cash and private circulating instruments can replace monitoring. Advances in specialization may...

A long standing issue in monetary theory is whether money and interest bearing debt may both play a beneficial role in facilitating transactions. This paper identifies in the misallocation of liquidity a key element to provide an answer. In a search model of money, we show that there exists an...