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22) PA AS P 3 + - AS? Price Level P2 -100 curbed AD, AD, 100 200 300 400 Real Output (billions of dollars per year) Figure 8.3 Aggregate Supply and Demand Given AD, and AS in Figure 8.3, the Keynesian approach to achieving a higher level of output would be to A) Do nothing. B) Increase the growth of the money supply to shift AS to AS? C) Employ an expansionary fiscal policy, D) Impose price controls