I consider an abstract social system made of individual owners endowed with nonpaternalistic interdependent preferences, who interact by means of individual gifts and by exchanges on competitive markets. The existence of equilibrium is established. I identify the set of allocations that are...

Most organ transplants are from dead donors. National transplant organizations exhibit considerable differences in terms of their donor population rates. Spain’s organization is by far the most efficient in this respect. We argue that much of the productivity advantage of Spain’s transplant...

We consider abstract social systems of private property, made of n individuals endowed with non-paternalistic interdependent preferences, who interact through exchanges on competitive markets and Pareto-efficient lumpsum transfers. The transfers follow from a distributive liberal social contract...

I consider abstract social systems where the distribution of wealth is an object of common concern. I study, in particular, the systems where liberal distributive social contracts consist of the Pareto-efficient distributions that are unanimously preferred to the initial distribution. I define a...

[fre] Équilibre général de dons individuels. . Nous étudions les propriétés d'un système social comprenant plusieurs agents, possédant chacun une dotation initiale en un bien de consommation unique (le revenu). Chaque agent est susceptible de consommer ou de donner tout ou partie de la...

We consider abstract social systems of private property, made of n individuals endowed with nonpaternalistic interdependent preferences, who interact through exchanges on competitive markets and Pareto-improving lump-sum transfers. The transfers follow from a distributive liberal social...

The recent era of economic turbulence has generated a growing enthusiasm for an increase in new and original economic insights based around the concepts of reciprocity and social enterprise. This stimulating and thought-provoking Handbook not only encourages and supports this growth, but also...