Books in Barron's "EZ101 Study Keys "series resemble clear, concise sets of classroom lecture notes for 101-level college courses. As such they are ideal student aids and brush-up reviews before exams. The revised and updated edition of "EZ101 Macroeconomics "reviews the scope of economics, basic economic concepts, macroeconomic concepts, measuring economic activity, economic indicators and statistics, equilibrium output and income, fiscal policy, money, financial markets, and the banking system.