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Comment Re:Don't forgot, public money spends just fine (Score 1) 385

There is magnitudes more money on the other side.

Do the math. Wikipedia claims half a trillion in fossil fuel subsidies versus almost 90 billion just in renewable energy subsidies in 2011. That's not an order of magnitude, much less several orders

And subsidies is the only money involved, right?

Comment Re:"free" market solution (Score 3, Informative) 452

"Because the effect of that would be to push even more transactions into unregulated "dark pools". Why do you believe that HFT is harmful? Do you have any evidence, other than fear of something you don't understand?"

Yes - (1) HFT has the potential to cause extreme volatility swings. (2) HFT essentially introduces a tax on every other buyer and seller in the market (because it actually widens the difference between the post and the offer).

On point #2, I'll just leave this here: http://qz.com/95088/high-frequency-trading-is-bad-for-normal-investors-researchers-say/

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