Wheelan proposes negative externalities as a problem. There are many negative externalities and my derive from positive externalities like in the case for the baby. A baby is good it creates another person for the working force but when you put that baby in a plane for 12 hours it is a negative externality for people on the plane. The same thing with smoking people who smoke die sooner. They make money and die before they collect the benefits. Wheelan's solution for negative externalities is a tax. Taxing how much money each each mile cost to drive will create fewer drivers and less CO2 in the air. The probability of succed is far from what is need to stop global warming. There will alway be peopl who are willing to pay for expensive driving o there will always be something else keeping us from stoping global warming.
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