A "folk theorem" originating, among others, in the work of Stiglitz maintains that competitive equilibria area always or "generically" inefficient (unless contracts directly specify consumption levels as in Prescott and Townsend, thus bypassing trading in anonymous markets). This paper...

"Forcourses in the principles of microeconomics. Anevidence-based approach to economics Throughout Microeconomics, 3rd Edition, authors DaronAcemoglu, David Laibson, and John List use real economic questions anddata to help students learn about the world around them. Taking a fresh approach,they...