What happens to inflation over time

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Question: A productivity boom: Suppose the economy exhibits a large, unexpected increase in productivity growth that lasts for a decade. Policymakers are (quite reasonably) slow to learn what has happened to potential output and incorrectly interpret the increase in output as a boom that leads actual output to exceed potential. Suppose they adjust macroeconomic policy so that the mismeasured level of short-run output is zero.

(a) What happens to the true amount of short-run output Y ?

(b) What happens to inflation over time?

(c) This problem outlines a concern economists have had in recent years after the large increase in productivity growth that started around 1995. Now consider the opposite problem: suppose productivity growth declines for a decade. What would be predicted to happen? Has this ever happened to the U.S. economy?

Reference no: EM132118669

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