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Tax or spend ? How to get people out of their cars / Johannes Mauritzen, International Energy, blog IAEE, 14/06/2012http://blog.iaee.org/?p=47772Cars in cities are maybe unique in the amount and variety of pollution they cause. The economists usual solution to these pollution problems is to levy a tax – people should fully pay for the costs they cause. But other attempts to spur change will likely lead to waste without much net benefit, they claim...