Limit core allocations are the ones that remain in the core of a replicated economy.An equivalent notion for economies with public goods is Schweizer s concept of club e ciency under a variable number of economic agents.We extend this notion to economies with goods that have a semi-public...

Debreu s coefficient of resource utilization is freed from individual data requirements.The procedure is shown to be equivalent to the imposition of Leontief preferences.The rate of growth of the modified Debreu coefficient and the Solow residual are shown to add up to TFP growth.This...

Industry productivity is obtained by aggregation of firm productivities and inclusion of the appropriate allocative efficiency terms, one for each firm.This paper identifies the latter correction terms.

We study an experimental market in which the structure of the information flows is endogenized. When making an offer, traders choose not only the price at which they are prepared to trade, but also the subset of traders they want to inform about the offer. This design allows for two extreme...

We study the structure of markets when traders are given the opportunity to create their own market, as on the internet.On the internet, public exchanges have in many cases been replaced by private exchanges.We use experiments to investigate possible reasons for the failure of public...

In this paper we study the constrained efficiency of a stock market equilibrium under moral hazard.We extend a standard general equilbrium framework (Magill and Quinzii (1999) and (2002)) to allow for a more general initial ownership distribution.We show that the market allocation is constrained...

When new technologies become available, it is not only essential that firms have the correct investment incentives, but often also that consumers make the proper usage decisions. This paper studies investment and usage in a shared ATM network. Be- cause all banks coordinate their ATM investment...

Mathematics Subject Classification 2000: 91A12, 91A43