Contributors: M.D. Agee, K.H. Baik, W. Blomquist, D.V. Budescu, K.-L. Chen, T.D. Crocker, D. Feeny, N. Frohlich, R. Gardner, L. Hurwicz, R. Innes, R.M. Isaac, D.M. Kilgour, J.T. LaFrance, E.T. Loehman, S. Mestelman, M. Moore, R.A. Muller, J. Oppenheimer, E. Ostrom, A. Rapoport, S. Reiter, T. Roe, V.W. Ruttan, E. Schlager, J.F. Shogren, R. Suleiman, T. Tomasi, J. Walker, M.J. Watts, E. Wilman