lifetime earnings risk. Based on a dynamic life-cycle model, we find that redistribution through the tax-and -transfer system … risk. Progressive taxation of annual earnings provides little insurance against lifetime earnings risk. The lifetime …

behaviour in this unusual market. Participants have lower risk tolerance and higher patience levels than the Iranian average but …Iran has the world's only government-regulated kidney market. We report the results of the first field study of donor … an examination of decision-making in extreme situations by individuals in this market, typically at the very bottom of …