We present a general equilibrium model where profit-maximizing firms and non-profit organizations coexist, and the people’s propensity to devote efforts to non-profit activities increases with the stock of social capital. In its turn, the formation of social capital is stimulated by an...

Ranking infinite utility streams includes many impossibility results, most involving certain Pareto, anonymity, or continuity requirements. We introduce the concept of the future agreement extension, a method that explicitly extends orderings on finite time horizon to an infinite time horizon....