Might a securities transactions tax mitigate excess volatility? : Some evidence from the literature

Erik Lüders; Markus Haberer

International financial markets are said to be excessively volatile due to destabilizing speculation and excessive market volume. Transactions taxes might help. From studying the literature we conclude that there must be an optimal market liquidity, which minimizes excess volatility. There are two effects when imposing a transactions tax. Both reduce excess volatility in highly speculative markets when tax rates are small. The total tax effect then is unambiguous. However, in illiquid markets the tax might raise volatility.

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Year of publication:	May 2004
Other Persons:	Lüders, Erik (contributor) ; Haberer, Markus (contributor)
Publisher:	Konstanz : CoFE
Subject:	Börsenkurs \| Share price \| Volatilität \| Volatility \| Finanztransaktionssteuer \| Financial transactions tax \| Internationaler Finanzmarkt \| International financial market \| Spekulation \| Speculation \| Theorie \| Theory