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 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 tinroducti nflation rate BYpecter flation rate T

Survey Of Economics
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Chapter20: Monetary Policy
Section20.A: Policy Disputes Using The Self Correcting Aggregate Demand And Supply Model
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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)* +()
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; T: inflation rate; mf: expected inflation rate; L:
loss function; 6, k: constant parameters; t: time index.
Having considered the scenario above complete the following tasks:
a) Explain the economic intuition behind the output function.
b) Explain the components and the economic intuition of the loss
function. Why is it quadratic?
c) Derive the central banks preferred inflation rate and provide an
explanation.
d) Derive the socially optimal inflation rate and explain.
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)* +() 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; T: inflation rate; mf: expected inflation rate; L: loss function; 6, k: constant parameters; t: time index. Having considered the scenario above complete the following tasks: a) Explain the economic intuition behind the output function. b) Explain the components and the economic intuition of the loss function. Why is it quadratic? c) Derive the central banks preferred inflation rate and provide an explanation. d) Derive the socially optimal inflation rate and explain.
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