Centralized markets with large numbers of buyers and sellers are generally thought of as being competitive and well-functioning. However, an important role of centralized markets is matching heterogeneous products, such as fish, to buyers of these products. The high level of differentiation in...

When a supply and demand model is recursive, with errors uncorrelated across the two equations, ordinary least square (OLS) is the recommended estimation procedure. Supply to a daily fish market is determined by the previous night`s catch, so this would appear to be a good example of a recursive...

"We estimate a dynamic profit-maximization model of a fish wholesaler who can observe consumer characteristics, set individual prices, and thus engage in third-degree price discrimination. Simulated prices and quantities from the model exhibit the key features observed in a set of high quality...