Category Archives: inflation

Price dynamics

A dominant class of economic theories is built on the assumption that prices respond only sluggishly to new economic conditions. It’s an interesting challenge to try to reconcile that premise with what we see in the data.

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The Fed’s new policy tools

We had to throw out our textbook descriptions of how monetary policy is implemented after the fall of 2008, as the Fed turned from its traditional tools to active use of large-scale asset purchases. A number of studies have now been conducted of the potential efficacy of these new policy tools. I surveyed some of the new studies last October. Today I’d like to discuss three new papers that have come out since then.

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The Correlation between Money Base Growth and Inflation

I’ve been reading through undergraduate textbooks, trying to figure out where the idea that money base expansion must necessarily manifest itself in higher inflation. In Stephen Williamson‘s macro textbook, he argues that fears of inflation are motivated by the view that eventually, money base expansion will feed into money expansion (box on pp. 432), despite the fact that there is no obvious contemporaneous correlation between the two variables.

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