Lanne, Markku; Vesala, Timo - 2007
We argue that a transaction tax is likely to amplify, not dampen, volatility in the foreign exchange markets. Our …' traders' valuations. Since informed traders' valuations are likely to be less dispersed, a transaction tax penalises informed … trades disproportionately, leading to increased volatility. Empirical support for this prediction is found by investigating …