Assessing the effect of moves in the key policy rate : a narrative approach for Norway
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- Master Thesis 
This thesis estimates the effect of the key policy rate on inflation and output for the Norwegian economy. It applies the narrative identification strategy, pioneered by Romer and Romer, to identify monetary policy shocks and construct a new measure of monetary policy for Norway. To our knowledge, this approach has never before been applied on Norwegian data. The new measure of monetary policy is derived through the construction of a new, real-time forecast data set, in order to purge the key policy rate of anticipatory movements. It is shown that estimating a Taylor rule captures a substantial part of Norges Bank’s real-time information set. To assess the impact of monetary policy in Norway, the new measure of monetary policy is employed in a vector autoregression. Following a one percentage point shock to the new measure of monetary policy, the thesis finds that inflation decreases by up to 1.75 percentage points after five quarters, and that output is reduced by up to 2.71 percentage points after seven quarters. These estimated effects are significantly larger than the results previously obtained on Norwegian data. Since the previous studies employ the actual key policy rate as the policy instrument, this might imply that the new measure of monetary policy, derived in this thesis, is relatively free of anticipatory movements. The new measure could therefore yield more precise estimates of the key policy rate’s effect on economic variables. The inclusion of real-time forecasts, in the construction of the new measure of monetary policy, is shown to be essential for obtaining the baseline effects. Thisthesis demonstrates that the baseline results are relatively robust to a wide range of different specifications of the baseline vector autoregression.