As shown by huber man and Glance (1993, 1994), the introduction of “conditional reciprocity” in the framework changes significantly the prediction. Indeed, the models we referred to in the previous section show that if expectations are “bandwagon”, then there are two possible outcomes: total defection or total cooperation.
If expectations are Online consumer communities 213 “opportunistic”, there are two possible outcomes as well: total defection or a mixed equilibrium with cooperators and free-riders.