Engel, Christoph; Zhurakhovska, Lilia - 2011
is highest if only the competitor(s) is (are) loyal to the cartel. Yet collusion inflicts harm on the opposite market … we add beliefs as a control variable, we only find that externalities enhance cooperation, even if gains from collusion … expected. -- Oligopoly ; Collusion ; experiment ; Uncertainty ; negative externalities ; prisoner's dilemma …