Suppose the MP curve is given by r = 2 + , and the IS curve is

Question:

Suppose the MP curve is given by r = 2 + π, and the IS curve is given by Y = 20 − 2r.

a. Derive an expression for the AD curve, and draw a graph labelling points at π = 0, π = 4, and π = 8.

b. Suppose that λ increases to λ = 2.

Derive an expression for the new AD curve, and draw the new AD curve using the graph from part (a).

What does your answer to part

(b) imply about the relationship between a central bank’s distaste for inflation and the slope of the AD curve?

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