How much should the present generations sacrifice to reduce emissions today, in order to reduce the future harms of climate change? Within climate economics, debate on this question has been focused on so-called "ethical parameters” of social time preference and inequality aversion. We show...

Axiomatic bargaining theory (e.g., Nash’s theorem) is static. We attempt to provide a dynamic justification for the theory. Suppose a Judge or Arbitrator must allocate utility in a (infinite) sequence of two-person problems; at each date, the Judge is presented with a utility possibility set...