Consider the short-run aggregate-supply curve in the following graph.
a. Calculate approximately the elasticities of the curve at two price levels, P = 20 and P = 100. (Hint: The price elasticity formula is EP = percentage change in Y / percentage change in P.)
b. Explain the meaning of the elasticity in the context of the AS curve.
c. Compare the two elasticities found in (a) and discuss the results.
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