Allowing short selling is ...

Allowing short selling is allowing people to sell - instead of having to buy the stock and then sell it, which doesn't do much; allow them to sell it, and then buy it. In which case they can express that information and the idea is that you would get more accurate valuation of companies by letting people express both their positive information and their negative information through either long or short selling.
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 Robert F. Engle

Quotes from the same author

I agree with a lot of the points in Taleb's book, but I don't agree with many of his conclusions. It seems to me that he rightly points out that risk managers miss a lot of the risks, but the conclusion is that he draws, is that we should abandon risk management, whereas my conclusion is we should improve it.
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 Robert F. Engle
I think we're fooling ourselves if we think that regulators are going to be able to outsmart the bankers. So, the task of designing regulatory reform is trying to make more or less foolproof regulation and that's one of the advantages of the systemic category.
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 Robert F. Engle
I'd like to see a little more action on the energy side of things. I've been pushing for some kind of a carbon tax for years, and it seems to me we've had lots of opportunities to do it.
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 Robert F. Engle