Question
Suppose the economy is described by the system: = 1 + ( ),(1) = ( ),(2) = ( ),(3) where > 0, > 0, >
Suppose the economy is described by the system:
= 1 + ( ),(1)
= ( ),(2)
= ( ),(3)
where > 0, > 0, > 0, represents equilibrium output, represents the equilibrium real interest rate, and represents the inflation target. Equation (3) is a special case of what is known as a Taylor rule and describes a rule for conducting monetary policy.
question: Suppose that the economy is hit by an unanticipated temporary negative
aggregate demand shock. Beginning from a point of equilibrium, explain carefully and use diagrams to illustrate how the economy responds to the shock and how it transitions back to equilibrium. (Hint: combine equations (2) and (3) to express the policy rule in terms of the output gap and inflation gap.)
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