Originally published in 1969. This study presents as a whole an outline of the underlying issues of inter-related areas of economic policy in which countries co-operate. Written in an important time of policy reforms following international monetary crises it draws together information on areas of international economic policy that are essential for world trade, the flow of capital and economic health of the world economy but which were often considered separately. It lays emphasis on the ways in which policies from different fields interact with one another, considering economic liberalization and monetary aid among other things, and makes suggestions for policy-makers for successful international economic co-operation