antitrust authorities in each market. We are concerned with how the sustainability of collusion in one local market is affected … by the existence of collusion in other markets when they are linked by demand relationships. The interdependence of … collusion sustainability across markets leads to potential externalities in antitrust enforcement across jurisdictions. As a …

We build a model of tacit collusion between firms that operate in multiple markets to study the effects of trade costs … only directly but also indirectly through discipline. Using extensive data on international cartels, we find that trade …

We investigate the effect of a ban on third-degree price discrimination on the sustainability of collusion. We build a …' discount factor has to be higher in order to sustain collusion in grim-trigger strategies under price discrimination than under …

uncoordinated, multi-market contact allows firms to reduce the amount of self-reporting in equilibrium and sustain cartels more …

-2003, and 2004-2013. Our empirical estimates show significant variation in the number of cartels prosecuted and the penalties … imposed across the policy regimes. The more recent regimes are characterized by far fewer cartels prosecuted, but with … cartels to larger and multinational firms. In terms of political effects, our results reveal no clear inter-political party …

, when rescaling is feasible, private monitoring is more efficient than public monitoring subject to collusion because … nonmonetary penalties are ineffective to deter collusion …

shock and a discretionary buyer transfer. In the absence of communication, we find that rigid contracts are more frequent … and lead to higher earnings for both buyer and seller. By contrast, in the presence of communication, flexible contracts … considerably more from flexible with communication than rigid without communication. Our results show quite strongly that …