This article, based on two books (Barr and Diamond 2008, forthcoming), sets out a series of principles for pension design rooted in economic theory: pension systems have multiple objectives, analysis should consider the pension system as a whole, analysis should be framed in a second-best...

An evolutionary perspective on economic behavior has to account for the influences that thehuman genetic endowment has on the choices the agents make. Likely to have been fixed intimes of fierce selection pressure, this endowment is presumably adapted to the livingconditions of early humans. If...