We construct a model of participation and bidding at multi-unit, sequential, clock auctions when bidders have multi-unit demand. We describe conditions sufficient to characterize a symmetric, perfect-Bayesian equilibrium and then demonstrate that this equilibrium induces an efficient allocation....

We analyze optimal trading mechanisms in an exchange economy where each trader owns some units of a good to be traded and may be either a seller or a buyer, depending on the realization of the privately observed valuations. The concept of virtual valuation is extended to ex ante unidentified...

This document seeks to lay the groundwork for a government policy on free and open source software. We briefly characterize the extent of the open source software phenomenon. We analyse its pros and cons for the government, in its role as both an engine of economic development and a large user...

Ce rapport présente le bilan de la première phase du projet « Acquisitions Publiques par Enchères Électroniques Renversées et Ouvertes » financé en partie par le Conseil du Trésor du Gouvernement du Québec. Il y est fait état des principales propositions de réforme aux procédures...