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Re:How the Robots Lost: High-Frequency Trading's Rise and Fall by ihsw on Thursday June 06, 2013 @12:48PM (#5833532)
Interestingly Sweden tried a 0.5% tax in 1984:

> During the first week of the tax, the volume of bond trading fell by 85%, even though the tax rate on five-year bonds was only 0.003%. The volume of futures trading fell by 98% and the options trading market disappeared.

Needless to say, 'tax avoidance' became the norm (especially since it was exceedingly easy to circumvent) and it was later repealed in 1991.

[1] http://en.wikipedia.org/wiki/Swedish_financial_transaction_t...

Re:How the Robots Lost: High-Frequency Trading's Rise and Fall by crististm on Thursday June 06, 2013 @02:30PM (#5834268)
law of unintended consequences