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We estimate a general microstructure model of the transitory and permanent impact of order flow on stock prices. Jumps … microstructure model explains on average 47.7% of the total variation. Once jumps are filtered and parameters are estimated in real … time, we also find that the price impact of trades is symmetric on average. However, the price of highly liquid stocks with …
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dynamics. Our main goal is to investigate whether high-frequency trading exacerbates market volatility and generates flash … that the presence of high-frequency trading increases market volatility and plays a fundamental role in the generation of …
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We investigate the effects of a Financial Transaction Tax (FTT) in an order-driven artificial financial market. FTTs are meant to limit short-term speculative behavior by reducing the amount of excess liquidity in the system. To quantify these effects, adjustments in trading strategies and their...
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long memory completely disappears. -- Volatility clustering ; Autocorrelations of returns ; Fundamentalists and …
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