We study the implementation of constrained-efficient allocations in labour markets where a basic coordination problem leads to an equilibrium matching function. We argue that these allocations can be achieved in equilibrium if wages are determined by ex post bidding. This holds true even in...

This paper develops a model of pricing and advertising in a matching environment with capacity constrained sellers. Sellers' expenditure on directly informative advertising attracts consumers only probabilistically. Consumers who happen to observe advertisements randomize over the advertised...

This paper considers a situation of two sellers of perfectly substitutable items competing in publicly announced reserve prices to induce potential bidders participation at their auction. After learning their own valuations and upon observing the reserve prices, potential bidders make a...