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Abstract

Volatility persistence is a stylized statistical property of financial time-series data such as exchange rates and stock returns. The purpose of this letter is to investigate the relationship between volatility persistence and predictability of squared returns.
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Abstract

The aim of the paper is to compare reactions of two stock markets, the German and the French, to releases of macroeconomic fundamentals emanating from Germany and the U.S. We examine the reaction of intraday returns and volatility of the CAC40 and the DAX indices to macroeconomic surprises. We find that both American and German macroeconomic releases cause an immediate response in returns and volatility of the German and the French stock market sampled at a five-minute frequency. The reaction to the American macroeconomic surprises is stronger than to the German ones.
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