Macro Chap. 12

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If the IS curve is given by Y = 1,700 - 100r and the LM curve is given by Y = 500 + 100r, then equilibrium income and interest rate are given by:

Y = 1,100, r = 6 percent

If MPC = 0.6 (and there are no income taxes but only lump-sum taxes) when T decreases by 200, then the IS curve for any given interest rate shifts to the right by:

300

Exhibit: Short Run to Long Run Based on the graph, if the economy starts from a short-term equilibrium at A, then the long-run equilibrium will be at ____, with a _____ price level.

B; lower

An increase in the money supply shifts the ______ curve to the right, and the aggregate demand curve ______.

LM; shifts to the right

If MPC = 0.6 (and there are no income taxes) when G increases by 200, then the IS curve for any given interest rate shifts to the right by:

500

Exhibit: Short Run to Long Run Based on the graph, if the economy starts from a short-term equilibrium at D, then the long-run equilibrium will be at ____, with a _____ price level.

C; higher

If the short-run IS-LM equilibrium occurs at a level of income below the natural level of output, then in the long run the price level will ______, shifting the ______ curve to the right and returning output to the natural level.

decrease; LM

In the IS-LM model when M / P rises, in short-run equilibrium, in the usual case the interest rate ______ and output ______.

falls; rises

Other things equal, a given change in government spending has a larger effect on demand the:

flatter the LM curve.

Exhibit: Policy Interaction Based on the graph, starting from equilibrium at interest rate r3, income Y2, IS1, and LM1, if there is an increase in government spending that shifts the IS curve to IS2, then in order to keep the interest rate constant, the Federal Reserve should _____ the money supply, shifting to _____.

increase; LM2

An increase in investment demand for any given level of income and interest rates—due, for example, to more optimistic "animal spirits"—will, within the IS-LM framework, ______ output and ______ interest rates.

increase; raise

An increase in the money supply:

lowers the interest rate and increases income in the short run but leaves both unchanged in the long run.

Exhibit: IS-LM Monetary Policy Based on the graph, starting from equilibrium at interest rate r1 and income Y1, a decrease in the money supply would generate the new equilibrium combination of interest rate and income:

r 2, Y2

Exhibit: IS-LM Fiscal Policy Based on the graph, starting from equilibrium at interest rate r1 and income Y1, an increase in government spending would generate the new equilibrium combination of interest rate and income:

r 2, Y3

Exhibit: Policy Interaction Based on the graph, starting from equilibrium at interest rate r3, income Y2, IS1, and LM1, if there is an increase in government spending that shifts the IS curve to IS2 and the Federal Reserve does not change the money supply, the new equilibrium combination of interest and income will be _____.

r 2, Y3

Exhibit: IS-LM Fiscal Policy Based on the graph, starting from equilibrium at interest rate r1 and income Y1, a decrease in government spending would generate the new equilibrium combination of interest rate and income:

r 3, Y2.

Exhibit: IS-LM Monetary Policy Based on the graph, starting from equilibrium at interest rate r1 and income Y1, an increase in the money supply would generate the new equilibrium combination of interest rate and income:

r 3, Y3

If the demand function for money is M / P = 0.2Y - 200r, and if M / P increases by 100, then the LM curve for any given interest rate shifts to the:

right by 500

In the IS-LM model when M remains constant but P rises, in short-run equilibrium, in the usual case the interest rate ______ and output ______.

rises; falls

In the IS-LM model when the Federal Reserve decreases the money supply, the public ______ bonds, and the interest rate ______, leading to a(n) ______ in investment and income. This is called the monetary transmission mechanism.

sell; rises; decrease


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