search costs, plus more general matching and bargaining. This allows us to study many new issues, including entry, efficiency …

shortmaturity at-the-money and deep out-of-the-money S&P 500 put options, as well as the prices of individual stock options. Further …

devised to cure the problem. We use a cash-in-advance model of commodity money to define a currency shortage, show that they … could develop and persist under commodity money regime, and analyze the role played by each ingredient in the standard …

Previous studies have shown that a random-matching model with divisible at money and without constraint on agents …' money inventories possesses a continuum of stationary single-price equilibria. Wallace [7] conjectured that the … indeterminacy can be eliminated by the use of commodity money, just as the elimination of the contin- uum of dynamic (non …

, price-setting conduct. Money is modeled as perfectly divisible and there is no constraint on agents' money inventories. In … such an environment with discounting, the endogenous heterogeneity of money balances among agents implies differences in … marginal valuation of money between distinct pairs of traders, which raises the question whether decentralized trade would …