Dilemmas of CooperationBoth economists and psychologists have conducted thousands of studies of dilemmas of cooperation that include people in this sort of position. However, it’s actually far from clear that everyone is equally inclined to free ride on the efforts of others. If all pool their full $10, the combined $50 becomes $150, and divides into $30 for each—a 200 percent profit. Five anonymous players are randomly grouped together, and each gets 10 currency units (CU) in each of 10 periods of play. In a sense, it was only possible because enough members of each group turned out to be willing to live with being taken advantage of a little by whichever group members chose more selfish decisions.