Abstract:
The analysis of impacts of rate of exchange changes in conditions of various types of economic policy (fiscal and monetary) is done in the framework of mathematical model derived from Mundell-Fleming one, which uses concept of macroeconomic equilibrium in the open economy. Using of macroeconomic apparatus the article shows impacts of these changes on macroeconomic equilibrium, especially on changes of real product Y. Different features of fiscal and monetary policies impacts are especially important, including impacts on become of payment and brudget suplies.