the world copper market, from at least 1991 until earlier this year. This manipulation has concentrated attention on the … manipulation is not illegal under UK financial services regulation, but that in any case, deterrence is better than prosecution …. Manipulation will be best deterred by greater transparency, in particular through mandatory reporting of client positions to …

through both productive effort and costly manipulation, and may undo the contract by privately saving. The optimal contract …

facilitate collusion among agents, which induces an additional trade-off between reputational forces and collusion. When non …-contractible dimensions are very important this last trade-off may disappear, as collusion allows more efficient enforcement of better …

corruption is to facilitate collusion in price between firms. This can result in high public spending and inefficient allocation …

discussed appear relevant to the fight of other forms of multiagent organized crime - like auditor-manager collusion, financial …

's Dilemma (repeated oligopolies, relational-contracting models, etc.). We illustrate our main result for collusion equilibria in …

. This is the only case in which collusion imposes an additional cost on the relationship. The findings suggest that it is …

termination threats make collusion supportable at any discount factor, independent of contracts’ duration. When managers have …