1)The word macroeconomics means economics in the large.2)The macroeconomists concerns are with such global questions as total production,total employment,the rate of change of overall prices,the rate of economic growth,and so on.3)The questions asked by the macroeconomist are in terms of broad aggregates – what determines the spending of all consumers as opposed to the microeconomic question of how the spending decisions of individual households are made;what determines the capital spending of all firms combined as opposed to the decision to build a new factory by a single firm;what determines total unemployment in the economy as opposed to why there have been layoffs in a specific industry.4)Macroeconomists measure overall economic activity;analyze the determinants of such activity by the use of macroeconomic theory;forecast future economic activity;and attempt to formulate policy responses designed to reconcile forecasts with target values of production,employment,and prices. 5)Macroeconomics is concerned with such major policy issues as the attainment and maintenance of full employment and price stability.6)Тhe most important theories of macroeconomics is theories of the business cycle and economic growth