This paper develops a model in which market structure is determined endogenously by the choice of intermediation mode …. We consider two representative business modes of intermediation that are widely used in real-life markets: one is a … our model, buyers and sellers can simultaneously search in an outside market and use the intermediation service. We show …

This paper develops a model in which market structure is determined endogenously by the choice of intermediation mode …. We consider two representative business modes of intermediation that are widely used in real-life markets: one is a … other. In our model, buyers and sellers can simultaneously search in an outside market and use the intermediation service …