Understanding the Great Recession

That is the new paper by Christiano, Eichenbaum, and Trabandt, and it is the most thorough study of the topic I know.  They arrive at this conclusion, the last sentence being of particular interest to me (emphasis added):

We argue that the vast bulk of movements in aggregate real economic activity during the Great Recession were due to financial frictions interacting with the zero lower bound. We reach this conclusion looking through the lens of a New Keynesian model in which firms face moderate degrees of price rigidities and no nominal rigidities in the wage setting process. Our model does a good job of accounting for the joint behavior of labor and goods markets, as well as inflation, during the Great Recession. According to the model the observed fall in total factor productivity and the rise in the cost of working capital played critical roles in accounting for the small size of the drop in inflation that occurred during the Great Recession.

You will note also the deemphasis on nominal wage rigidities.  The NBER version of the paper is here.  Related, ungated versions are here.


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