Macroeconomic Policy Design in an Interdependent World Economy: An Analysis of Three Contingencies

The paper uses a small analytical two-region (the United States and the Rest of the Industrial World) model, to analyze three issues Concerning international economic interdependence and macroeconomic policy coordination that have been raised in connection with the September1985 World Economic Outlook published by the IMF.They are: (1) What should bethe monetary and/or fiscal response in the Rest of the Industrial World to a tightening of U.S. fiscal Policy and what should be the U.S. monetary response? (2) What Should be the monetary and/or fiscal response in the United States and in the Rest of the Industrial World to a"Collapse of the U.S. dollar?" The paper highlights the importance of determining the causes of such a "hard landing" for the U.S.dollar, as the appropriate policy responses are very sensitive to this; (3) What should be the macroeconomic policy response in the Industrial World to a disappointing real growth performance? Again the correct identification of the reason(s) for the disappointmentis shown to be crucial.The final Section discusses and qualifies the activist policy conclusions derived from the formal analysis.