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Waist banned - Does a tax on junk food make sense?
Economist ^ | July 30 2009

Posted on 08/20/2009 1:18:21 PM PDT by swarthyguy

ECONOMISTS have long recognised the arguments for imposing special taxes on goods and services whose prices do not reflect the true social cost of their consumption. Such taxes are known as “Pigouvian” after Arthur Pigou, a 20th-century English economist. Environmental taxes are an obvious example. There is also a Pigouvian case for duties on cigarettes, alcohol and gambling. Smoking increases the risk of cancer for those in the vicinity of the smoker; alcohol abuse and gambling are strongly associated with violence and family breakdown. Moreover, all three habits lead to higher medical costs. In theory governments can make up these costs, or “externalities”, with a tax that adjusts the prices people pay to puff, booze or punt. Such a tax might also encourage consumers to live healthier lives.

Support for another such tax, on junk food, is now spreading, especially in America. Congress is considering a tax on sugary drinks to help pay for the planned expansion of health-care coverage. Some analysts would like to see broader duties on junk food. On July 27th the Urban Institute, a think-tank in Washington, DC, proposed a 10% tax on “fattening food of little nutritional value” that, it claimed, would raise $500 billion over ten years.

The logic for a tax on fattening food may seem obvious. About one-third of Americans are obese, up from 15% in 1980. Fat people are more prone to heart disease, diabetes, bone disorders and cancer. An obese person’s annual medical costs are more than $700 greater than those of a comparable thin person. The total medical costs of obesity surpass $200 billion a year in America, which is higher than the bill for smoking. These costs are not all borne by the obese. When health-care costs are shared, obesity becomes a burden for everyone. Thanks to government health-care plans such as Medicare half of America’s obesity-related health costs land on taxpayers. In private employer-sponsored health plans the slim pay similar premiums to the overweight.

But would a fat tax affect behaviour? Numerous studies have shown a relationship between the price of food, especially junk food, and body weight. As fast food has become relatively cheaper, so people have become fatter. A new paper* from the RAND Corporation, another think-tank, suggests that taxing calories could have a sizeable, if gradual, effect on people’s weight. The authors of the study look at changes in the weight and height of a large group of Americans aged over 50 between 1992 and 2004. They then calculate food-price indices that are skewed towards calorie-dense foods (so a change in the price of butter has more impact than a change in the price of vegetables). By controlling for individual and environmental influences on weight, such as income and health, they then measure whether food-price changes affect body-mass index (BMI). BMI, the ratio of weight in kilograms to the square of height in metres, is a common, if imperfect, gauge of whether someone is over- or underweight.

A person’s BMI turns out to be hard to shift in the short term. A 10% increase in the calorie-heavy price index is associated with a small decline, of 0.22, in BMI within two years. But the effects are greater over the longer term. A 10% increase in the price of calories results in a fall in BMI of one to two points over 20 to 30 years. Such a drop would eliminate about half of the observed increase in obesity in America since 1980.

Even so, the idea of tackling obesity via the tax system has some serious flaws. First, there is the question of what to tax. Sugary drinks may not be nutritious, but hamburgers contain some protein along with their fat. More important, junk food is not itself the source of the externality—the medical costs that arise from obesity. Unlike smoking, or excessive gambling and drinking, eating junk food does not directly impair the well-being of anyone else. And because obesity is determined by lack of exercise as well as calorie intake, its ultimate relationship with health costs is more tenuous than that of, say, smoking. It is possible to eat a lot of fatty food, exercise frequently and not generate any externalities. A more direct, though controversial, approach would simply be to tax people on the basis of their weight.

Fat chance The distance between junk food and the medical costs of obesity means that a calorie tax could have unintended consequences. A new theoretical paper in the Journal of Public Economics even suggests that a tax on junk food could increase obesity, especially among physically active people. If junk food, which is quick and easy to obtain, becomes relatively dearer, people will spend more time shopping for fresh ingredients and preparing food at home. That could leave less time for exercise.

Even if perverse consequences of this type look improbable, a junk-food tax may have less impact than its advocates expect. New studies on the effect of cigarette and alcohol sin taxes suggest heavy users are less influenced by price changes than others. An analysis of data from the National Longitudinal Study of Adolescent Health shows that American teenagers who smoke more than five cigarettes a day are only one-third as responsive to cigarette prices as lighter smokers. A complementary study of data from America’s Health and Retirement Survey shows that alcohol taxes are far less effective for the large minority of heavy drinkers. The biggest consumers of fattening food may prove similarly resilient to price increases, so a fat tax may do little to improve health, at least for today’s junk-food addicts. If these same consumers are poorer on average, it would also be regressive. One reason for this is that in some poorer neighbourhoods there may be little fresh food on sale. If junk is all there is, putting up its price will reduce real incomes and make little difference to eating habits and health. Like the foods they aim at, fat taxes look appetising but can have nasty effects.


TOPICS: Culture/Society; News/Current Events
KEYWORDS: nannyism; nanzi; swarthyguy
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To: Judith Anne
We have a NewfieX that ate stones when he was small, you could hear them rattling in his belly. The vet said not to worry, he'd outgrow it and he did, but we worried anyway and gave him mineral oil.

Ours also eat carrots, and the diabetic dog has survived 5 years now on lean meat, brocolli, cabbage, (cooked), baked yams, and a few other items. We bake them chicken regularly and feed a high quality dog food.

81 posted on 08/20/2009 5:21:30 PM PDT by 1000 silverlings (everything that deceives, also enchants: Plato)
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To: 1000 silverlings

My SIL had two Newfies, one recently passed away from old age, I think. I think they’re gorgeous. She has always had them shaved in summer, cuts down on the shed problem. They were always good natured, but I imagine they might eat an acorn...:-D


82 posted on 08/20/2009 5:27:43 PM PDT by Judith Anne (Drill here! Drill NOW! Defund the EPA!)
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To: Judith Anne

This motley pack is waiting, the cougars don’t even come up here anymore, go way around


83 posted on 08/20/2009 5:31:16 PM PDT by 1000 silverlings (everything that deceives, also enchants: Plato)
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To: 1000 silverlings

Our dogs are amazing, aren’t they? Over the years, Hub and I had some wonderful mixes, rescues. They were grand, even as senior dogs, which most of them were.

It’s a shame, but a lot of people give up their senior dogs. Most of them will be put down, because few people will adopt a dog of advanced age, even in good health. They’re the ones who break my heart.


84 posted on 08/20/2009 5:47:56 PM PDT by Judith Anne (Drill here! Drill NOW! Defund the EPA!)
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To: 1000 silverlings

I wonder what Coon tastes like?


85 posted on 08/20/2009 8:53:43 PM PDT by GeronL (Pro-Freedom Fiction Writers Unite! - http://libertyfic.proboards.com)
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To: swarthyguy

LOL - you’re from Massachusetts.

Lots of poor dogs there who are stuck on vegetarian diets.

Their moms need wine.

You’re a good samaritan.


86 posted on 08/20/2009 8:56:08 PM PDT by ladyjane
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To: swarthyguy
Thanks to government health-care plans such as Medicare half of America’s obesity-related health costs land on taxpayers. In private employer-sponsored health plans the slim pay similar premiums to the overweight.

Obvious solution is for government to get out of the health care business, and for insurance companies to set premiums for classes that give their insureds the choice to either pay more and maintain their habits; or to change their habits, and be rewarded with a lower premium; or drop insurance altogether, and not bitch when they can't afford (and are thus refused) treatment.

Government was not instituted to social engineer, last time I read our Founding Documents.

87 posted on 08/21/2009 1:23:47 AM PDT by ApplegateRanch (The mob got President Barabbas; America got shafted)
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To: wideminded; Judith Anne

Some dogs can be partial to some veggies and even fruit, but to put a carnivorous animal on an exclusively vegan diet disregarding genetics, millenia of meat and carrion consumption and the dog’s health is a fairly vainglorious act in an ignorant albeit well meaning for a contemporary personal set of social mores.

“Oh, my dog’s a vegan, isn’t that so cool”.


88 posted on 08/21/2009 11:47:56 AM PDT by swarthyguy (MEAT, the new tobacco. Your right to eat meat ends where my planetary ecosystem begins.)
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To: swarthyguy

I certainly agree.


89 posted on 08/21/2009 11:52:58 AM PDT by Judith Anne (Drill here! Drill NOW! Defund the EPA!)
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To: RockyMtnMan

You’re so correct, once the ideas are floated, like the mileage fee tax, the question is not if but when.

Words fail to describe the emotions, sad, shame, that correspond to this slide we are undergoing.

And if Swine/Bird Flu really hits, what a perfect reason for a national emergency to grasp even more control over individuals.

A crisis that would be too good to waste.


90 posted on 08/21/2009 11:59:30 AM PDT by swarthyguy (MEAT, the new tobacco. Your right to eat meat ends where my planetary ecosystem begins.)
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To: ladyjane

>>a good samaritan.

I wouldn’t go that far, I had ulterior motives.

But it was satisfying to hear the little growler start barking in a healthy satisfied manner. Little bones sucked and chewed dry strewn across the carpet and kitchen floor. He became my best bud...:>>>

“he hasn’t barked for months” - gee, wonder why.


91 posted on 08/21/2009 12:02:14 PM PDT by swarthyguy (MEAT, the new tobacco. Your right to eat meat ends where my planetary ecosystem begins.)
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To: ApplegateRanch

>>our Founding Documents

There ya go again. Three hundred year old documents written by dead white men have exactly what relevance now in terms of public health? /SARCASM!!!!!


92 posted on 08/21/2009 12:03:26 PM PDT by swarthyguy (MEAT, the new tobacco. Your right to eat meat ends where my planetary ecosystem begins.)
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To: Old Professer

>.You’d think that after being shafted so many times that more people would quit bending over to pick up the pieces.

History shows the opposite usually happens until some cataclysmic series of events causes change, usually at some very high cost and not always for the better.

We simply get used to it, as currently, our personal sphere shrinks and the public one increasingly encroaches upon ALL facets of our lives.


93 posted on 08/21/2009 12:07:32 PM PDT by swarthyguy (MEAT, the new tobacco. Your right to eat meat ends where my planetary ecosystem begins.)
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To: swarthyguy

More likely you just paid it twice for, well, the obvious reasons.


94 posted on 08/22/2009 8:27:59 PM PDT by OpeEdMunkey (ObamaCare...there's some change ya didn't count on.)
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To: OpeEdMunkey; Eric Blair 2084

Check out this week's time magazine and read the warning tag about the article.

No government tax on us idiots, Munky, just on the food we eat.

The visionaries working on the system should give you the warm fuzzies.

95 posted on 08/23/2009 2:46:34 PM PDT by swarthyguy (MEAT, the new tobacco. Your right to eat meat ends where my planetary ecosystem begins.)
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To: swarthyguy
No government tax on us idiots, Munky, just on the food we eat.

Damn...we could have retired the deficit.

96 posted on 08/24/2009 1:43:11 PM PDT by OpeEdMunkey (ObamaCare...there's some change ya didn't count on.)
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To: OpeEdMunkey

You planning on having that many kids?


97 posted on 08/24/2009 1:44:57 PM PDT by swarthyguy (MEAT, the new tobacco. Your right to eat meat ends where my planetary ecosystem begins.)
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To: OpeEdMunkey

What you still pissed that I advocate taxing fat lardasses on how much they weigh?

What’s wrong with that?

Tax the FAT! Twice!


98 posted on 08/24/2009 1:46:15 PM PDT by swarthyguy (MEAT, the new tobacco. Your right to eat meat ends where my planetary ecosystem begins.)
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To: swarthyguy

Taxing chimney heads worked so why not widebutts?


99 posted on 08/24/2009 1:46:54 PM PDT by swarthyguy (MEAT, the new tobacco. Your right to eat meat ends where my planetary ecosystem begins.)
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To: swarthyguy
I sure am glad that you were not around when my late husband and late daughter gained a lot of weight because they were on prednisone. She died in 2004 from complications of Crohn’s Disease and he died 2 years later of liver cancer. You need a time out.
100 posted on 08/24/2009 1:50:48 PM PDT by MamaB (If you see someone without a smile, give them yours.)
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