In an experimental standard Cournot oligopoly we test the importance of models of behaviour characterised by imitation of successful behaviour, in particular when the environment becomes more complex. We find that the players do not rely more on imitation in more demanding environments. We...

In an experimental study we examine a variant of the 'minimum effort game', a coordination game with Pareto ranked equilibria and risk considerations pointing to the least efficient equilibrium. We focus on the question whether simple cues such as smiles, winks and handshakes could be recognised...