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Title: The Limits of Noise Trading: An Experimental Analysis
Authors: Bloomfield, Robert
O’Hara, Maureen
Saar, Gideon
Issue Date: Jan-2005
Series/Report no.: FIN-05-015
Abstract: In this research we investigate the behavior of noise traders and their impact on the market. We do this in an experimental market setting that allows us to determine not only how noise traders fare in a competitive asset market with other traders, but also how the equilibrium changes if a securities transactions tax (“Tobin tax”) is imposed. We find that noise traders lose money on average: they do not engage in extensive liquidity provision, and their attempt to make money by trend chasing is unsuccessful as they lose most in securities whose prices experience large moves. Noise traders adversely affect the informational efficiency of the market: they drive prices away from fundamental values, and the further away the market gets from the true value, the stronger this effect becomes. With a securities transaction tax, noise traders submit fewer orders and lose less money in those securities that exhibit large price movements. The tax is associated with a decrease in market trading volume, but informational efficiency remains essentially unchanged and liquidity (as measured by the price impact of trades) actually improves. We find no significant effect, however, on market volatility, suggesting that at least this rationale for a securities transaction tax is not supported by our data.
URI: http://hdl.handle.net/2451/26416
Appears in Collections:Finance Working Papers

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