Short lived arbitrage opportunities arise when prices adjust with a lag to new information. They are toxic because they expose dealers to the risk of trading at stale quotes. Hence, theory implies that more frequent toxic arbitrage opportunities and a faster arbitrageurs' response to these...

It is argued that bidders in liquidity-providing central bank operations should typically possess declining marginal valuations. Based on this hypothesis, we construct equilibrium in central bank refinancing operations organised as variable rate tenders. In the case of the discriminatory pricing...

Nous considérons la vente aux enchères sous pli scellé au second prix d'un objet que chaque acquéreur potentiel évalue de manière « privée et indépendante ». Nous montrons que l'optimum ex ante d'un cartel, sous contraintes d'incitation et d'équilibre ex post des transferts, coïncide...