This paper departs from the standard open-economy Ramsey model and introduces additional concerns for wealth, status and Easterlin's (2001) hypothesis that consumption changes, in particular increases, are important and not only the level. These extensions induce first of all interior steady...

The canonical model in economics considers people to be rational and self-regarding. However, much evidence challenges this view, raising the question of when “Economic Man” dominates the outcome of social interactions, and when bounded rationality or other-regarding preferences dominate....

There is strong evidence that people exploit their bargaining power in competitive markets but not in bilateral bargaining situations. There is also strong evidence that people exploit free-riding opportunities in voluntary cooperation games. Yet, when they are given the opportunity to punish...