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  • Blogging the science and policy of global warming

    In Case You Missed It: Nice Post over at TNR

    Posted: in Policy, What Others are Saying

    Written By

    Tony Kreindler
    Tony Kreindler

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    Last week, Brad Plumer over at the New Republic made some thoughtful points about climate policy that are worth taking a look at.

    He puts well the key difference between a cap and a tax:

    With a tax, we know in advance how much it will cost, but aren’t sure what emissions level will result. With a well-enforced cap-and-trade regime, we know the maximum level of emissions we’ll get, but aren’t positive how much it will cost to get there…

    We take issue with some of his thoughts about to how to cope with fluctuations in the market price of carbon (a so-called “safety valve” is a bad idea), but it’s great to see a clear-headed reaction to the fluctuations in the European market.

    2 Comments

    1. joebakerdc
      Posted January 26, 2009 at 6:36 pm | Permalink

      It seems like the other key difference between cap-and-trade and a tax is that while a tax can penalize carbon sources, cap-and-trade can penalize sources while rewarding sinks in a consistent framework.

    2. Tony Kreindler
      Posted January 27, 2009 at 1:38 pm | Permalink

      Yes, that’s the beauty of it — the cap does discourage emissions by putting a price on polluting (like a tax would). But on top of that, it offers powerful incentives to those who have the ability to cut more. Thanks for the comment.