Economics: Beyond the Millennium contains articles by leading authorities in various fields of economic theory and econometrics, each of whom gives an account of the current state of the art in their own field and indicate the direction that they think it will take in the next ten years.

Reciprocity is a pervasive type of social interaction in encounters, groups and organizations. This volume gathers basic recent works in its main domains such as the theory of reciprocity, the public economics of transfers, the economics of the family, charities, gifts of organs, or the motivations for gift-giving. The book constitutes a landmark in this rapidly expanding field of research.