between firms, thereby lowering prices and increasing economic welfare. This paper presents a search model that provides a … each of these equilibria. For example, a reduction in search cost may raise equilibrium prices when consumers' search … intensity is low, but reduce prices when consumers search intensity is high. These different comparative statics results may …

search for a job-type that matches their skill. They face a trade-off between match quality and the cost of extended search …. This trade-off differs between regions, because search is more efficient in larger regions. Then, interregional mobility … and trade lead to a pattern of specialization where large scale regions have a comparative advantage in producing …

The search literature assumes that consumers know which firms sell products they are looking for, but are unaware of … the basic fact that they sell the product. In this way, advertising lowers the expected search cost. We show that this …