Eggertsson, Gauti B.

Are Negative Nominal Interest Rates Expansionary? / Gauti B. Eggertsson, Ragnar E. Juelsrud, Ella Getz Wold. - Cambridge, Mass. National Bureau of Economic Research 2017. - 1 online resource: illustrations (black and white); - NBER working paper series no. w24039 . - Working Paper Series (National Bureau of Economic Research) no. w24039. .

November 2017.

Following the crisis of 2008 several central banks engaged in a radical new policy experiment by setting negative policy rates. Using aggregate and bank-level data, we document a collapse in pass-through to deposit and lending rates once the policy rate turns negative. Motivated by these empirical facts, we construct a macro-model with a banking sector that links together policy rates, deposit rates and lending rates. Once the policy rates turns negative the usual transmission mechanism of monetary policy breaks down. Moreover, because a negative interest rate on reserves reduces bank profits, the total effect on aggregate output can be contractionary.




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