@incollection{Arrow2004,
title = {The Changing Face of Economics},
author = {Kenneth J. Arrow},
booktitle = {Conversations with Cutting Edge Economists},
pages = {301},
publisher = {University of Michigan Press, Ann Arbor},
year = {2004},
editors = {D. Colander and R.P.F. Holt and J. Barkley Rosser}, comment = {quote: One of the things that microeconomics teaches
you is that individuals are not alike. There is
heterogeneity, and probably the most important
heterogeneity here is heterogeneity of expectations. If
we didn�t have heterogeneity, there would be no trade.
But developing an analytic model with heterogeneous
agents is difficult.},
keywords = {imported }
}
::