Hansen, B. Introduction.--Caves, R.E. The economics of reciprocity.--Hinshaw, R. Elasticity pessimism, absorption, and flexible exchange rates.--Kenen, P.B. Economic policy in a small economy.--Kindleberger, C.P. Economic integration via external markets and factors.--Koo, A.Y.C. Decreasing marginal cost and the pattern of trade.--Kreinin, M.E. and Heller, H.R. Adjustment costs, optimal currency areas, and international reserves.--Krueger, A.O. The role of home goods and money in exchange rate adjustment.--Levin, J.H.A two-country model of the gold standard.--Mikesell, R.F. Private short-term capital flows and the Eurodollar market.--Samuelson, P.A. Equalisation of factor prices by sufficiently diversified production under conditions of balanced demand.--Thorbecke, E. and Field, A.J., Jr. A ten-region model of world trade.--Vanek, J. and Bertrand, T.J. Effective protection and resource allocation.