Martin Feldstein draws attention to the regressive elements of Obama’s cap-and-trade plan:

Mr. Obama’s biggest proposed tax increase is the cap-and-trade system of requiring businesses to buy carbon dioxide emission permits. The nonpartisan Congressional Budget Office (CBO) estimates that the proposed permit auctions would raise about $80 billion a year and that these extra taxes would be passed along in higher prices to consumers. Anyone who drives a car, uses public transportation, consumes electricity or buys any product that involves creating CO2 in its production would face higher prices.

CBO Director Douglas Elmendorf testified before the Senate Finance Committee on May 7 that the cap-and-trade price increases resulting from a 15% cut in CO2 emissions would cost the average household roughly $1,600 a year, ranging from $700 in the lowest-income quintile to $2,200 in the highest-income quintile. Since the amount of cap-and-trade tax rises with income, the cap-and-trade tax has the same kind of adverse work incentives as the income tax. And since the purpose of the cap-and-trade plan is to discourage the consumption of CO2-intensive products, energy or means of transportation by raising their cost to consumers, the consumer-price increases would be the same for a 15% reduction in C02 even if the government decides to give away some of the CO2 emissions permits.

But while the cap-and-trade tax rises with income, the relative burden is greatest for low-income households. According to the CBO, households in the lowest-income quintile spend more than 20% of their income on energy intensive items (primarily fuels and electricity), while those in the highest-income quintile spend less than 5% on those products.

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