Fonseca, Miguel A.; Normann, Hans-Theo - In: Economics Letters 125 (2014) 2, pp. 223-225
In a Bertrand-oligopoly experiment, firms choose whether or not to engage in cartel-like communication and, if so, they may get fined by a cartel authority. We find that the four-firm industries form cartels more often than the duopolies because they gain less from a hysteresis effect after...