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. …

differentiated markets. I firstly review some classical literature on collusion between two firms producing goods of exogenous … the market may have contradictory effects on the incentive of firms to collude: it can make collusion easier for bottom …

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 …