A prominent member of Congress has proposed a comprehensive national climate-change plan. It’s only 28 pages long, it’s market-based, and it would put money into the pockets of most Americans.
This is not the first time that Rep. Chris Van Hollen, a House Democratic leader from Maryland, has made the point that the best climate-change policy is not complicated. He introduced a similar plan in 2009. The underlying logic is older still: Since the beginning of the climate debate, mainstream economists, left and right, have argued that the best way to cut greenhouse gases is to use simple market economics, putting a price on emissions that reflects the environmental damage they cause.
As economists see it, the nation is giving a massive implicit subsidy to the users of fossil fuels, who fill the air with carbon dioxide, imposing real costs on society, without paying for the privilege. Make users pay for the carbon dioxide they emit and they will waste less energy, while investment will flow into low-carbon technologies. The nation would obtain emissions cuts at a minimum cost to the economy.
This is Economics 101, but Republicans have largely ceded the free-market arena to Democrats such as Van Hollen. His proposal would put a limit on the country’s greenhouse-gas emissions, a cap that would decline each year. Beneath that cap, companies would have to buy permits for the emissions their fuels produce. The buying and selling of permits would set a market price for carbon dioxide. The government would rebate all of the revenue from selling permits back to anyone with a Social Security number, more than offsetting any rise in consumer prices for 80 percent of Americans. Most upper-income people, who use more energy, and government, which would get no rebate, would pay more under the plan.
Van Hollen’s plan also faces political challenges. Lawmakers will be tempted to give away pollution permits to interests they favor, shattering the equity and efficiency of the policy. This is among the reasons we have preferred enacting a carbon tax. It would be less vulnerable to political gaming, and its revenue also could be rebated back to consumers or recycled back through cuts in other taxes. But both approaches have strengths.
The country is reaching a moment of decision on global warming. Scientists’ warnings are sharpening, and President Obama’s Environmental Protection Agency is acting in the absence of a policy from Congress. The EPA rules can’t be as clean and efficient as market-based plans such as Van Hollen’s. That reality could persuade some industry groups and some Republicans to seek a bargain that would replace the EPA efforts with a less bureaucratic approach. Conservatives who truly favor free markets over central planning should come to the table.
If they cannot muster the intellectual courage, Rep. John Delaney, D-Md., has a smart second-best idea: Let states escape the EPA’s centralized regulation if they enact their own carbon taxes instead.
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