Inspired by Karl Polanyi’s writings on three allocation modes, namely reciprocity, exchange and redistribution, we … first tested a reciprocity ring with ten players. The baseline treatment, with no possibility of socialisation, displayed … very low levels of allocative efficiency. Consistently with the Polanyian approach to reciprocity, we found that inducing …

indicates that this is indeed likely to be the case. But reciprocity or gift-exchange induces social relations. The utility …Is gift-exchange inevitably to be crowded out by impersonal market exchange? The presence of a thick-market externality … as moral sentiments are valued high enough it is shown that both market and gift-exchange can coexist. The spontaneous …

The article discusses the contribution of the principle of reciprocity to a socio-anthropology of rural organizations … reciprocity. The first part presents the mobilization of reciprocity in these three approaches. The second part develops a … reciprocity to rural organizations. The conclusion examines the limits of these theories. …

–Gibbs distribution with additive exchange and condenses with a multiplicative one. If bankruptcy is introduced, both types of exchange … lead to condensation. Condensation times have been studied. In the second part, the agents are placed in a social network … values of network connectivity. …

Trust, trustworthiness and ethical norms of reciprocity and cooperation have been receiving more and more attention in …

. We relate bloggers' activity with the size and structure of their network of fellow bloggers. A blogger's readership …