We investigate the interactions between optimal regulation and external credit constraints. When part of a regulated ¯rm is owned by foreign investors, a credit-constrained country who wants to send pro¯ts abroad has to generate enough surplus in the trade account in order to compensate...

In this paper we address the question of collusion in mechanisms under asymmetric information by assuming that one of the colluding parties offers a side contract to the other one. We develop a methodology to analyze collusion as an informed principal problem. We show that if collusion occurs...

In this paper we address the question of collusion in mechanisms under asymmetric information. We develop a methodology to analyze collusion as an informed principal problem. First, if collusion occurs after the agents accept or reject the principal's offer; the dominant-strategy implementation...

In this paper we extend Lizzeri's simple model of information transmission through certification intermediaries. A seller with no means to signal his quality has the possibility to be certified by an institution that owns a technology to discover the true quality and can credibly commit to a...