Discounted utilitarianism treats generations unequally and leads to seemingly unappealing consequences in some models of economic growth. Instead, this paper presents and applies sustainable discounted utilitarianism (SDU). SDU respects the interests of future generations and resolves...

Let there be a positive (exogenous) probability that, at each date, the human species will disappear. We postulate an Ethical Observer (EO) who maximizes intertemporal welfare under this uncertainty, with expected-utility preferences. Various social welfare criteria entail alternative von...

In this paper, we first model the dynamics of an economy, making use of a simple, almost trivial circular flow analysis. Then, we demonstrate the effects of keeping up with the Jonesesʺ as well as of keeping ahead of the Smithsʺ in private consumption and the role of innovation and imitation...