Exercise 2.1. crowding out, 2. currency, 3. gold standard, 4. inflation, 5. interest rate, 6. investment, 7. liquidity trap, 8. money supply, 9. peg, 10. savings.

Exercise 4.macroeconomics, microeconomics, laissez-faire, Nobel, Economics, consumption, stabilization, federal, institution, contributed, Chicago School, affiliated, monetarist, money supply, phenomenon, Federal Reserve Bank, fiscal policy, restricted, Great Depression, financial shock, contraction, intervention, freely floating, negative income tax, welfare, bill, foundation, advisors, free market policies, relationship, economic situation