economic consequences. We show in this paper conditions under which solidarity can be a powerful instrument. In a solidary … feelings of mutual exchange (solidarity) within a group. …

For many people "solidarity" has become a meaningless word used in slogans - too often used without leading to any … economic consequences. We show in this paper conditions under which solidarity can be a powerful instrument. In a solidary … feelings of mutual exchange (solidarity) within a group. …

In the Solidarity Game (Selten and Ockenfels, 1998), two "rich" persons can support a "poor" one. A strong positive … correlation between one rich person's solidarity contribution and his expected contribution of the other is observed. This paper …

countries. The authors use a new specification of altruism to explain this stylized fact. Under this specification, individuals …

between altruism and solidarity – a more restricted form of other‐concern, limited to members of a particular group – then … most organ donors exhibit solidarity, rather than altruism. If organ donation really must be altruistic, then we have … reasons to worry about the motives of existing donors. However, I argue that altruism is not necessary, because organ donation …

It is shown that altruism does not affect the equilibrium provision of public goods although altruism takes the form of … contributions. That is, egoists free ride on altruism. It is also shown that public goods are less likely to be provided in larger …