D Question 23 Which of the following instruments is not used by the Fed to change the money supply? The federal funds rate The required reserve ratio State and local tax rates Open-market operations F 2.5 pts Question 22 When a country's exchange rate appreciates, its residents find it expensive to buy goods made in other countries, and imports Omore: increase Oless; increase Omore; decrease less; decrease 2.5 pts Question 19 2.5 pts A decrease in consumer confidence tends to decrease in business confidence will aggregate demand. A aggregate demand. Odecrease: increase O increase: increase O increase: decrease decrease: decrease Next