ROBIN CANTOR an economist, is program director of Decision, Risk, and Management Science at the National Science Foundation.STUART HENRY is Associate Professor of Sociology at Eastern Michigan University. He is the author of several books, including Informal Institutions: Alternative Networks in the Corporate State (1981), Private Justice: Toward Integrated Theorizing in the Sociology of Law (1983), and The Informal Economy (1987).STEVE RAYNER is a Professor of the Science in Society Programme at The Said Business School, University of Oxford. He is the author of several books, including Rules, Decisions, and Inequality in Egalitarian Societies (1988) and Energy Policies and the Greenhouse Effect (1991).

• Introduction Modeling Markets: A Common Framework for Analyzing Exchange Nonmarket Exchange Structures Market Exchange Structures Business As Usual The Wasteland: Worse Case Fat of the Land: Resource Abundance Bureaucratic Nightmare: Institution Intensive Problems and Possibilities: The Real World Scenario Conclusions References Index

ROBIN CANTOR an economist, is program director of Decision, Risk, and Management Science at the National Science Foundation.STUART HENRY is Associate Professor of Sociology at Eastern Michigan University. He is the author of several books, including Informal Institutions: Alternative Networks in the Corporate State (1981), Private Justice: Toward Integrated Theorizing in the Sociology of Law (1983), and The Informal Economy (1987).STEVE RAYNER is a Professor of the Science in Society Programme at The Said Business School, University of Oxford. He is the author of several books, including Rules, Decisions, and Inequality in Egalitarian Societies (1988) and Energy Policies and the Greenhouse Effect (1991).

• Introduction Modeling Markets: A Common Framework for Analyzing Exchange Nonmarket Exchange Structures Market Exchange Structures Business As Usual The Wasteland: Worse Case Fat of the Land: Resource Abundance Bureaucratic Nightmare: Institution Intensive Problems and Possibilities: The Real World Scenario Conclusions References Index