Identifying Monetary Policy Shocks via Changes in VolatilityMarkku Lanne and Helmut Lütkepohl () No CESifo Working Paper No. 1744, CESifo Working Paper Series from CESifo GmbH Abstract: A central issue of monetary policy analysis is the specification of monetary policy shocks. In a structural vector autoregressive setting there has been some controversy about which restrictions to use for identifying the shocks because standard theories do not provide enough information to fully identify monetary policy shocks. In fact, to compare different theories it would even be desirable to have over-identifying restrictions which would make statistical tests of different theories possible. It is pointed out that some progress towards overidentifying monetary policy shocks can be made by using specific data properties. In particular, it is shown that changes in the volatility of the shocks can be used for identification. Based on monthly US data from 1965-1996 different theories are tested and it is found that associating monetary policy shocks with shocks to nonborrowed reserves leads to a particularly strong rejection of the model whereas assuming that the Fed accommodates demand shocks to total reserves cannot be rejected. Keywords: monetary policy; structural vector autoregressive analysis; vector autoregressive process; impulse responses (search for similar items in EconPapers) Downloads: (external link) Related works: Access Statistics for this paper More papers in CESifo Working Paper Series from CESifo GmbH |
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