Informed arbitrage with speculative noise trading

We consider speculative noise trading when some naïve speculators trade on noise as if it were information [Black, F., 1986. Noise. Journal of Finance 41, 529–543]. We examine the optimal trading strategy of an informed investor who faces such naïve speculators in the market. We find that the inform...

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Veröffentlicht in:Journal of banking & finance 2010-02, Vol.34 (2), p.304-313
1. Verfasser: Albert Wang, F.
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description We consider speculative noise trading when some naïve speculators trade on noise as if it were information [Black, F., 1986. Noise. Journal of Finance 41, 529–543]. We examine the optimal trading strategy of an informed investor who faces such naïve speculators in the market. We find that the informed investor trades aggressively on her information and takes large, opposite positions against the naïve speculators. The trading volume is thereby drastically magnified. While such speculative noise trading enhances liquidity, it makes prices less efficient. The overall dynamic patterns that emerge from our model are most consistent with the evidence for interday variations in volume, volatility, and transaction costs.
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subjects Arbitrage
Asymmetric information
Discounts
Financial speculation
Heterogeneous prior beliefs
Information
Informed trading
Informed trading Noise trading Asymmetric information Heterogeneous prior beliefs Liquidity Volume Volatility Transaction costs
Investment policy
Liquidity
Noise
Noise trading
Securities trading volume
Speculators
Studies
Transaction costs
Volatility
Volume
title Informed arbitrage with speculative noise trading
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