Considerable evidence demonstrates that significant dispersion exists in the prices charged for seemingly homogeneous goods. This paper adopts a simple, flexible equilibrium model of search to investigate the way the market structure influences price dispersion. Using the noisy search approach,...

This paper utilizes an equilibrium search model to investigate market structure and price dispersion. In a market with one large firm and a competitive fringe, the large firm offers the highest price. Fringe firms offer a distribution of lower prices.