Intermediaries in decentralized markets can affect buyer welfare both directly, by reducing expenses for buyers with high search cost and indirectly, through a search-externality that affects the prices paid by buyers that do not use intermediaries. I investigate the magnitude of these effects...

This paper argues that intermediaries in decentralized markets can affect buyer welfare both directly, by reducing the expenses of buyers with high search cost but also indirectly, through a search-externality that affects the prices paid by those buyers that do not use intermediaries. These two...

Intermediaries in decentralized markets can affect buyer welfare both directly, by reducing expenses for buyers with high search cost and indirectly, through a search-externality that affects the prices paid by buyers that do not use intermediaries. I investigate the magnitude of these effects...