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Saturday, August 16, 2008

"Fuel Subsidies Drag Down a Nation"

Why lump-sum transfers are better than fuel subsidies:

How Fuel Subsidies Drag Down a Nation, by Robert H. Frank, Ecponomic View, NY Times: ...[M]any emerging economies employ subsidies that keep domestic fuel prices far below the world price. As a result, these countries consume far more fuel than they would otherwise.

By one estimate, countries with fuel subsidies accounted for virtually the entire increase in worldwide oil consumption last year. Without this artificial demand stimulus, world oil prices would have been significantly lower. ...

It would surely be unrealistic to expect other governments to abandon subsidies just so Americans who drive S.U.V.’s and live in big houses could benefit from lower world energy prices. But those governments might want to reconsider their policy in the light of overwhelming economic evidence that the subsidies create net losses even for their ostensible beneficiaries. ...

The problem is that when the price of a good is below its cost, people use it wastefully. In the case of a gallon of gasoline, the cost ... includes not just the price of buying the gallon in the world market — say, $4 — but also external costs, like dirtier air and increased congestion. The external costs are ... substantial. With reasonable estimates factored in for them, the true cost of using a gallon is clearly greater than $4. By contrast, the price of gasoline to users is simply the amount they pay at the pump. With a $2-a-gallon subsidy in effect, gasoline bought in the world market at $4 would sell for $2...

Consider how this difference might affect a trucker’s decision about whether to accept a hauling job. ... Suppose the job... requires 1,000 gallons of fuel, available at the subsidized price of $2 a gallon, for a total fuel outlay of $2,000. If the cost of the trucker’s time and equipment are, say, $1,000 for the trip, his narrow interests dictate accepting the job if the shipper is willing to pay at least $3,000. Suppose the shipper is willing to pay that amount but not more.

The problem is that if the trucker accepts the job at that price, the country as a whole will be worse off by more than $2,000. Although the $3,000 fee would cover his own costs, the government would end up paying $2,000 in additional subsidies for the 1,000 gallons consumed. On top of that, the trip would generate additional pollution and congestion costs. So the fact that the subsidy encouraged him to accept the job means that its net effect is equivalent to throwing more than $2,000 onto a bonfire.

Waste is always bad. ... Subsidy proponents cite the firestorm of political protest that would erupt if fuel were to sell at the international market price. That fuel subsidies are wasteful, however, implies that there must be less costly ways to keep the peace.

Consider again our trucker... Instead of paying $2,000 to subsidize his fuel, the government could give him a tax cut of, say, $1,000, and use the remaining $1,000 to help pay for public services. Because the trucker’s earnings from the hauling job were only enough to cover his costs at the subsidized fuel price, he would be $1,000 better off with the tax cut alone than with the fuel subsidy. The additional support for public services would augment this benefit. In short, a tax cut is always a better way to keep political protest at bay because ... it does not encourage shipments whose costs exceed their benefits.

If a United States president urged developing economies to eliminate fuel subsidies because they result in higher energy prices for Americans, the conversation would probably end very quickly. But this conversation might be reframed.

A good place to start would be to heed the same advice we’d like others to follow. Emerging economies are not the only ones in which prices at the pump substantially understate the true social cost of fuel. ... Adopting some variant of a tax on carbon ... would help eliminate this discrepancy.

That would set the stage for our next president to explain to other leaders why eliminating fuel subsidies would make the overall economic pie larger. Because the resulting efficiency gains can be redistributed so that everyone gets a bigger slice than before, the idea should be fairly easy to sell.

    Posted by on Saturday, August 16, 2008 at 07:11 PM in Economics, Environment, Oil, Policy, Taxes | Permalink  TrackBack (0)  Comments (13)

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