Comovements in Volatility in the Euro Money Market
54 Pages Posted: 28 Dec 2006
There are 2 versions of this paper
Comovements in Volatility in the Euro Money Market
Comovements in Volatility in the Euro Money Market
Date Written: December 2006
Abstract
This paper assesses the sources of volatility persistence in Euro Area money market interest rates and the existence of linkages relating volatility dynamics. The main findings of the study are as follows. Firstly, there is evidence of stationary long memory, of similar degree, in all series. Secondly, there is evidence of fractional cointegration relationships relating all series, except the overnight rate. Two common long memory factors are found to drive the temporal evolution of the volatility processes. The first factor shows how persistent volatility shocks are trasmitted along the term structure, while the second factor points to excess persistent volatility at the longer end of the yield curve, relative to the shortest end. Finally, impulse response analysis and forecast error variance decomposition point to forward transmission of shocks only, involving the closest maturities.
Keywords: Money market interest rates, liquidity effect, realized volatility, fractional integration and cointegration, fractional vector error correction model
JEL Classification: C32, F30, G10
Suggested Citation: Suggested Citation
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