Consider the AS-AD model from lectures. Suppose that the economy of Zamunda, an imaginary country, starts...
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Consider the AS-AD model from lectures. Suppose that the economy of Zamunda, an imaginary country, starts in period 0 in long-run equilibrium. The marginal product of capital equals 1% and Zamunda's central bank has a long-run inflation target of 2%. [A] In period 0, what are the values of short-run output, inflation, inflation expectations, the real interest rate, and the nominal interest rate in Lichtenburg? [5 point] [B] Suppose that in period 1, oil prices rise due to supply shortages, resulting in a one-period increase in ō. Describe how this change affects the AS and AD curves in period 1. What happens to equilibrium short-run output and inflation as a result of the change? Does the real interest rate increase, decrease or stay the same, compared to period 0? What happens to investment and inflation expectations in period 1? [12.5 points] [C] Beginning in period 2, o returns to its long-run value. Explain clearly what happens to the AS and AD curves in Lichtenburg's economy in period 2. What happens to short-run output and inflation, compared to period 1? Does the real interest rate increase or decrease, compared to period 1? [7.5 points] [D] In the long-run (that is many periods after the shock hit in period 1), what will be the equilibrium levels of short-run output and inflation? What will be the equilibrium level of the nominal interest rate? [5 points] Consider the AS-AD model from lectures. Suppose that the economy of Zamunda, an imaginary country, starts in period 0 in long-run equilibrium. The marginal product of capital equals 1% and Zamunda's central bank has a long-run inflation target of 2%. [A] In period 0, what are the values of short-run output, inflation, inflation expectations, the real interest rate, and the nominal interest rate in Lichtenburg? [5 point] [B] Suppose that in period 1, oil prices rise due to supply shortages, resulting in a one-period increase in ō. Describe how this change affects the AS and AD curves in period 1. What happens to equilibrium short-run output and inflation as a result of the change? Does the real interest rate increase, decrease or stay the same, compared to period 0? What happens to investment and inflation expectations in period 1? [12.5 points] [C] Beginning in period 2, o returns to its long-run value. Explain clearly what happens to the AS and AD curves in Lichtenburg's economy in period 2. What happens to short-run output and inflation, compared to period 1? Does the real interest rate increase or decrease, compared to period 1? [7.5 points] [D] In the long-run (that is many periods after the shock hit in period 1), what will be the equilibrium levels of short-run output and inflation? What will be the equilibrium level of the nominal interest rate? [5 points]
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A In period 0 what are the values of shortrun output inflation inflation expectations the real interest rate and the nominal interest rate in Lichtenburg 5 point ANSWER In period 0 shortrun output is ... View the full answer
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