My interest had been in a broad class of situations, broader than the advanced industrial market economies, including situations in third world countries, and in countries attempting to have some kind of socialist approach to their problems. I have been interested in how one can construct efficient mechanisms that have the decentralization features similar to a market but that do not necessarily resemble a market. For this purpose, I formulated the notion of an informationally-decentralized economy in which perfect competition was just a very special case...

In: David Warsh, "The Road to a System that Works (Without Shooting People)" at economicprincipals.com, October 21, 2007.