The Carbon Tax as a Tool for Redistribution

June 25, 2008

A growing number of conservative economists are becoming enamored with carbon taxes as a means of using market forces to address global climate change. One of the leaders of this movement is Harvard economist Greg Mankiw who has started a “Pigou Club” named after economist Arthur Pigou who developed the idea of using taxes to reduce negative externalities resulting from market activities. http://en.wikipedia.org/wiki/Pigovian_tax

While acknowledging the serious impact a carbon tax could have on the entire economy, these economists argue that the substantial revenues generated by the tax could be used to cut other economically inefficient taxes such as the corporate income tax.

Admittedly, there is a certain intellectual elegance in the idea of shifting the tax base away from income-based taxes to consumption-based taxes. But there are vast political dangers in getting from here to there.

A more likely political outcome is the carbon tax plan recently unveiled by Canadian Liberal Party leader Stephane Dion. In today’s Toronto Star, columnist Carol Goar describes how the plan would lead to a massive redistribution of wealth in Canada:

His “green shift” would transfer wealth from rich to poor; from the oil patch to the rest of the country; and from the coffers of big business to the pockets of low-income Canadians.

Roughly $9 billion of the $15.3 billion Dion expects to collect annually in carbon tax revenues would be returned to Canadians earning less than $40,000 a year. He would use both income tax cuts and benefits targeted at children, low wage earners, rural residents and individuals with disabilities.

It would be unthinkable, under the current tax system, to redistribute a sum of this magnitude. The Liberals are gambling that, under a pollution-based tax system, it would be politically feasible to take from the “haves” and give to the “have-nots.” http://www.thestar.com/comment/article/448663

It is likely that the U.S. will have a similar debate starting next year since both Barack Obama and John McCain favor the regulatory equivalent of a carbon tax – the cap and trade system. Before the nation gets too far down that road, however, each of the candidates should speak honestly about how they would redirect the billions of dollars raised by their cap and trade plans.


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