Spencer Banzhaf, Andrew Chupp, 01 July 2010

In a federal system like the US or EU, should the central government or the individual governments regulate environmental damage? This column argues that – subject to certain conditions – individual states often undervalue pollution whereas a centralised system, by imposing an average price, often overshoots the optimum price – but mispricing too high causes fewer distortions than mispricing too low.

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