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 …

stakes of collusion. On the other hand, it creates an asymmetry between the integrated firm and the unintegrated competitors … cooperative equilibrium, which potentially harms collusion. As we show, the optimal collusive profit-sharing agreement takes care … the asymmetries in the non cooperative state. As a result, vertical integration generally favors collusion …

We build a model of tacit collusion between firms that operate in multiple markets to study the effects of trade costs …

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 …

The paper undertakes a cross-sectoral analysis of a salient empirical implication of the model of tacit collusion … Canada. The evidence provides weak support for optimal collusion in one industry, which is consistent with the idea that such …