We provide the first theoretical analysis of altruism in networks. Agents are embedded in a fixed, weighted network and …

First, we present what is called the Theory of Psychological Preferences (altruism, rational reciprocity...) through … Segal and Sobel (2007) for strategical ones. Second, we characterize the potential relevance of such a theory to define a … the micro'demands of the psychological preference theory with the standard macro'ones. Finally, we show that polycentered …

dynamics, introducing fertility choice in macro-dynamic models. In this paper, we go one step further highlighting also the … link with pollution. We develop a simple overlapping generations model with paternalistic altruism according to wealth and …

First, we present what is called the Theory of Psychological Preferences (altruism, rational reciprocity...) through … Segal and Sobel (2007) for strategical ones. Second, we characterize the potential relevance of such a theory to define a … the micro'demands of the psychological preference theory with the standard macro'ones. Finally, we show that polycentered …

. In particular, these tests provide a way to compare the degree of altruism of the different donors. …