This book proceeds from a meeting at the Santa Fe Institute where economists and physical and biological scientists came together to discuss a conceptual framework incorporating a more appropriate materials.

* Foreward P.W. Anderson, Kenneth J. Arrow, and David Pines * Introduction and Overview David Pines Lectures And Perspectives * Self-Reinforcing Mechanisms in Economics W. Brian Arthur * Neural Nets for Economists Eric B. Baum * Persistent Oscillations and Chaos in Economic Models: Notes for a Survey Michele Boldrin * Nonlinearity and Complex Dynamics in Economics and Finance William A. Brock * Can New Approaches to Nonlinear Modeling Improve Economic Forecasts? J. Doyne Farmer and John J. Sidorowich * The Global Economy as an Adaptive Process John H. Holland * The Evolution of Economic Webs Stuart A. Kauffman * Computation and Multiplicity of Economic Equilibria Timothy J. Kehoe * A Simple Model for Dynamics away from Attractors Norman Packard * Statistical Mechanics Approaches to Complex Optimization Problems Richard Palmer * Can Nonlinear Dynamics Help Economists? David Ruelle * Rational Expectations, Game Theory and Inflationary Inertia Mario Henrique Simonsen Working Group Summaries * Working Group A: Techniques and Webs J. Guenther, J. Holland, S. Kauffman, T. Kehoe, T. Sargent, and E. Singer * Working Group B: Economic Cycles K. Arrow, W. Brock D. Farmer, D. Pines, D. Ruelle, J. Scheinkman, M. Simonsen, and L. Summers * Working Group C: Patterns P.W. Anderson, W.B. Arthur, E. Baum, M. Boldrin, N. Packard, J. Scheinkman, and L. Summers Final Plenary Discussion * Final Plenary Discussion Richard Palmer Summaries And Perspectives * A Physicist Looks at Economics: An Overview of the Workshop P.W. Anderson * Workshop on the Economy as an Evolving Complex System: Summary Kenneth J. Arrow Research Papers * Learning-By-Doing, International Trade and Growth: A Note Michele Boldrin and Jose A. Sheinkman * Lyapunov Exponents for Stock Returns J.-P. Eckmann, S. Oliffson Kamphorst, D. Ruelle and J. Scheinkman