Munich Personal RePEc Archive

Volatility and liquidity in the Italian money market

Palombini, Edgardo (2003): Volatility and liquidity in the Italian money market.

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Abstract

This paper constructs unbiased and model-free measures of daily and hourly volatility of the overnight interest rate negotiated on the Italian interbank deposits market (e-MID) using high-frequency transaction data. We find that the largest increases in volatility and the most notable variations of its intraday pattern occur at the end of the reserve maintenance period and at the end of each quarter. The average effect on market volatility of Eurosystem money market operations and interest rate decisions is not significant. We then try to assess the liquidity of the market investigating the relation between trading volume and volatility, finding that even large increases in trading activity do not cause sharp movements in interest rates.

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