Consider the following scenario. Aggregate output y at date t is specified as follows, where the trend level of output is represented by g. The central bank's loss function is captured by L=(-k) +(m) Where b> 0, and where k > 0 is a given parameter reflecting the normal level of aggregate production or the target level of output. The central bank takes the public's expectations as given. The society loss function is the same as the central bank loss function. Notation: y;: output/production; 7: inflation rate; n: expected inflation rate; L: loss function; b, k: constant parameters; t: time index.

Macroeconomics: Private and Public Choice (MindTap Course List)
16th Edition
ISBN:9781305506756
Author:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Publisher:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Chapter10: Dynamic Change, Economic Fluctuations, And The Ad-as Model
Section: Chapter Questions
Problem 1CQ
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. a) Derive the socially optimal inflation rate and explain.

b)Derive the central banks preferred inflation rate and provide an explanation

Consider the following scenario.
Aggregate output y at date t is specified as follows,
Yt = T - nị +ỹ
where the trend level of output is represented by g.
The central bank's loss function is captured by
L= ( - k)° +(r)²
Where b > 0, and where k > 0 is a given parameter reflecting the normal level of
aggregate production or the target level of output. The central bank takes the public's
expectations as given. The society loss function is the same as the central bank loss
function.
Notation: y;: output/production; 7;: inflation rate; n: expected inflation rate; L:
loss function; 6, k constant parameters; t: time index.
Transcribed Image Text:Consider the following scenario. Aggregate output y at date t is specified as follows, Yt = T - nị +ỹ where the trend level of output is represented by g. The central bank's loss function is captured by L= ( - k)° +(r)² Where b > 0, and where k > 0 is a given parameter reflecting the normal level of aggregate production or the target level of output. The central bank takes the public's expectations as given. The society loss function is the same as the central bank loss function. Notation: y;: output/production; 7;: inflation rate; n: expected inflation rate; L: loss function; 6, k constant parameters; t: time index.
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