30. Increasing the debt ceiling is tied to the increase in the CPI. а. b. must be approved by Congress. must be approved by the Federal Reserve Bank. would have been opposed by John Maynard Keynes since his most important policy c. d. recommendation was to balance the budget. both b) and d) are correct. e.

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The graph below depicts an economy where an increase in aggregate demand has caused Inflation. Assume the government decides to conduct fiscal policy by changing taxes to bring Inflation under control. Price Level 160 150 140 130 120 110 100 90 80 70 60 50 Fiscal Policy LRAS AS Real GDP (billions of dollars) AD₁ AD 40 80 160 240 320 400 480 560 640 720 800 Instructions: Round your answers to 2 decimal places. If you are entering a negative number include a minus sign. a. How much does aggregate demand need to change to restore the economy to its long-run equilibrium? billion b. If the MPC is 0.75, how much do taxes need to change to shift aggregate demand by the amount you found in part a? $ billion Suppose Instead that the MPC is 0.5. c. How much does aggregate demand and taxes need to change to restore the economy to its long-run equilibrium? Aggregate demand needs to change by $ billion and taxes need to change by $ billion.

.  In the long-run framework, budget surpluses: Select correct and explain why its correct should be run whenever output dips below potential output. should never be run since they crowd out investment in the short run. are better than budget deficits over the long run because unlike budget deficits, they increase saving and investment. should be run on a permanent basis since they boost saving and investment and stimulate economic growth.