Cash for Clunkers Reduces Emissions — For Free!

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Wednesday, August 05, 2009 at 12:49 pm

The Wall Street Journal has a piece today called “Cash for Clunkers: An Expensive Environmental Fix,” which argues that despite its bigger-than-expected environmental benefits, the soon-to-be-renewed vehicle upgrade program is a costly way to cut carbon emissions. The author writes that the effective price per ton of carbon emissions reduced is between $160 and $475 — much higher than the likely cost of carbon under a cap-and-trade regime.

But Joe Romm counters that the program will pay for itself in less than five years, and so we’re essentially making environmental gains at no cost. Cash for clunkers is expected to save around 72 million gallons of gasoline each year. At $3 a gallon (Romm considers this a conservative estimate for the coming years), that amounts to $216 million in annual gasoline savings. At this rate, the $1 billion that’s been allocated to cash for clunkers so far would be more than paid for in a half decade.

Romm maintains that cash for clunkers is not primarily an environmental program, though its green benefits are certainly a plus. Instead, it has important economic and national security implications:

The majority of the $200+ million a year in gasoline savings would have left the country, since we import nearly 2/3 of our oil (and probably a higher fraction of marginal increases in oil use). Now that money stays in the pockets of consumers, who will save some of it and spend the rest of it, circulating most of the money in this country rather than overseas.

Liberal environmentalists have been highly skeptical of the program’s modest fuel-economy provisions, which require an efficiency improvement of just 4 miles per gallon. But so far, the average gain from the program’s trade-ins has been nearly 10 miles per gallon. Despite quibbles over the details, there seems to be a growing consensus about the program’s overall effectiveness.

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Comments

7 Comments

smcgrath
Comment posted August 5, 2009 @ 5:12 pm

But 4 out of the 5 models beneficiaries are buying are foreign… see link in my rant: http://www.beaupre.com/cleanspeak/


Aaron Wiener
Comment posted August 5, 2009 @ 5:58 pm

It's true, but many of these are manufactured in the United States, and the dealers stateside certainly benefit. Perhaps a better argument against the stimulative elements of the program is that people who are trading in would have bought new cars soon anyway, and cash for clunkers is simply cramming those purchases into a one-week (or one-month) period — at taxpayer expense. Still, for the time being, it's pretty clear that the program is a boon to the U.S. auto economy.


Andy Harless
Comment posted August 5, 2009 @ 9:29 pm

To an economist, the obvious question is: if it saves so much, why wouldn't consumers buy the new cars even without the program? I mean, if it pays for itself when the money comes from the government, it will also pay for itself when the money comes from consumers, who could presumably subsidize themselves with the money they will save on gasoline.

I'm not sure what the answer is. Perhaps the problem is that consumers don't have enough savings and can't borrow the money at a low enough interest rate to make the new purchase cost-effective for them without the subsidy. (The government, by contrast, is borrowing at near-zero interest rates — actually negative in real terms — for short time horizons right now, so as long as the program pays for itself quickly enough, it's a good deal “for the nation as a whole” though maybe not for those taxpayers without clunkers to sell.) Another possibility is that consumers just need that extra push to get off their ass and buy a new car, perhaps because they wouldn't have done the calculations and realized that they come out ahead.

But even if the program didn't pay for itself, it would still be a net benefit — even ignoring any enviornmental benefit — because the cars will be produced by workers who otherwise would have been unemployed, and most of them probably don't have very good alternative uses for their time. (I would say that, whatever value there is in those alternative uses, is probably outweighed by the psychological cost of being unemployed.) In Keynesian economics, an effective stimulus pays for itself immediately because the cost is only in terms of resources that would otherwise be wasted. In fact, it more than pays for itself, because the indirect effects create additional demand for resources that would have been wasted.

So I'm wondering: if this program is such an effective stimulus, why don't we do similar things for other durable goods? I'll tell you, if the government had a cash-for-clunker-refrigerators program, I would definitely replace the dilapidated one I have instead of putting it off repeatedly and having to continue wiping out the water that collects every few days. It's the same principle as the Investment Tax Credit, but applied to consumers instead of businesses: if the government subsidizes them, you'll buy your durable goods now, when the economy needs it, rather than waiting a few years until it may not.


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Swami_Binkinanda
Comment posted August 5, 2009 @ 10:27 pm

Its these win-win situations that really burn the GOP and the right-the majority of car dealers are Republicans. If they had the courage of their convictions they would reject that stimulus money, right? After all, the government doesn't make jobs, subsidies are slavery, blah blah blah Ayn Rand's left teat Cato Kaelin institute mlah. I guess the money talks louder than all of those right wing poseurs.


jimhenry0608
Comment posted August 6, 2009 @ 8:33 am

Both trucks are car qualify for the Cash For Clunkers but not the motorcycles.

Jimhenry
Blogger
http://www.cashforclunkersfacts.info
http://www.cashforclunkersfacts.info


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