Part I - Model IS-LM a curt termini · Introducció a la Macroeconomia UPF 2021
Tema: Model IS-LM a curt termini · Del examen Final Exam - March 2021 (2021)
Enunciado
f.
In the short run, monetary policy is more potent at altering real output (GDP) when:
.
Use the following extended IS-LM framework to answer Questions i to l:
i.
An increase in the risk premium produces:
.
j.
In equilibrium, an increase in government purchases leads to:
.
k.
A simultaneous and identical increase in government purchases and taxes () leads to:
.
l.
Suppose the central bank conducts an expansionary monetary policy by lowering the policy interest rate. How is this represented in the IS-LM framework?
.
Solución
Según los criterios oficiales de corrección
f. In the short run, monetary policy is more potent at altering real output (GDP) when:
Solución: 1. Investment expenditure is highly sensitive to changes in the borrowing interest rate.
i. An increase in the risk premium x produces:
Solución: 1. An inward/leftward shift of the IS curve, leaving the LM curve unchanged.
j. In equilibrium, an increase in government purchases G leads to:
Solución: 4. None of the above.
k. A simultaneous and identical increase in government purchases and taxes (dG = dT > 0) leads to:
Solución: 3. An unambiguous increase in investment spending.
l. Suppose the central bank conducts an expansionary monetary policy by lowering the policy interest rate. How is this represented in the IS-LM framework?
Solución: 1. The horizontal LM curve shifts downward.
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