Question: Consider the AD / AS model. ( a ) Using the IS / LM model, show graphically how the aggregate demand curve is derived. (

Consider the AD/AS model.
(a) Using the IS/LM model, show graphically how the aggregate demand curve is derived.
(b) Suppose there is a fall in inflation expectations. Using the IS/LM model, show how the AD curve is affected. Considering an economy in a liquidity trap, does this analysis help us understand why central banks are anxious to avoid deflation?

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