International Economics.

The article presents some abstracts of published materials concerning international economics. The paper entitled "International Liquidity: Meaning and Significance for the Haves and the Have-nots," by J. Amuzegar discusses the significance of international liquidity problem of the haves and have-nots with reference to three issues, the magnitude and adequacy of international liquidity now and in the near future, the involvement of different countries in the creation and use of needed additional reserves, and the appropriate ways and means of effecting necessary changes in the present world payments and reserve system. The abstract entitled "International Trade Theory in a Vintage-Capital Model," by P.K. Bardhan contains an analysis of the pattern of comparative advantage in a model of growing international economy where intercountry productivity differentials are affected by, among other things, differences in economic life of machines in different countries. The paper entitled "External Impact on Economic Development," by H. Burgard is a lecture on some problems arising from the international economic relations of developing countries.