Home Health Taxing sugary drinks curbs consumption, however solely when identified

Taxing sugary drinks curbs consumption, however solely when identified

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Taxing sugary drinks curbs consumption, however solely when identified


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From sodas to sports activities drinks, sweetened drinks are a staple of the American food plan, although this isn’t with out penalties. Extreme consumption of sugary drinks is linked to a bunch of well being issues, together with diabetes, weight problems, and coronary heart illness.

To assist curb ‘ thirst for these unhealthy potables, some states and have imposed particular client taxes on sugary drinks. However past bolstering authorities coffers, do these taxes really encourage customers to make more healthy decisions? That reply is dependent upon the place and the way clearly the added price of a tax is conveyed to the patron.

In response to new analysis revealed within the journal Psychological Science, taxes are efficient at altering buying habits solely when the shopper is made conscious that there’s an added—but undefined—price on the level of sale.

“We investigated whether or not ‘how a sugary beverage tax is labeled’ influences buying of sugary drinks,” mentioned Grant Donnelly, a researcher at The Ohio State College and lead creator on the paper. “To have any affect, labels should clearly state that the value consists of an added tax. That is in comparison with an all-inclusive price ticket that makes no direct point out of the tax.”

There’s, nonetheless, an exception to this discovering. The researchers found that when the rise is comparatively small—about 1 cent per ounce—itemizing the precise price of the added tax does nothing to dissuade individuals from buying sugary drinks.

“Labels that merely say ‘Contains sugary beverage tax’ are efficient as a result of individuals are likely to overestimate the dimensions of the tax,” mentioned Donnelly. “The standard estimate for such a tax is round 40 cents per container. It is really nearer to 12 cents for a single-serving can of soda.”

When the extra tax is clearly acknowledged by customers on the level of sale, the examine reveals, individuals have a tendency to buy water as a substitute of sugary drinks. So, the clearly said sugar tax does not cut back buying or damage enterprise. It does, nonetheless, lead to more healthy beverage decisions.

To measure the affect of how and the place taxes are offered, the researchers carried out three separate research.

The primary was an 8-week discipline examine in San Francisco, which started with a management section wherein a retailer stocked drinks with worth tags that made no point out of the added tax. For the following section of the primary examine, the researchers made the tax extra salient by including the phrase “Contains SF Sugary Drink Tax” to the value tags. (SF stood for San Francisco.) Within the , the value tags included info on how revenues from the tax would help packages for college students.

This preliminary examine revealed that making the added tax salient drove customers to decide on bottled water over . Informing customers of the tax’s altruistic targets did nothing to offset this transformation in habits.

The second and third research had been on-line experiments. The primary demonstrated that tax-salient worth tags diminished purchases of sugary drinks as a result of they led individuals to overestimate the drinks’ final price. The ultimate on-line experiment replicated the situation examined within the first examine , offering extra proof that making the tax salient influenced client habits.

“This analysis is vital as a result of many cities have instituted these taxes with the hopes of curbing consumption and buying of those drinks to enhance public well being outcomes,” mentioned Donnelly. “We hope our outcomes present helpful steering on how these taxes ought to be labeled to make sure a constructive final result.”


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Extra info:
Grant E. Donnelly et al, A Salient Sugar Tax Decreases Sugary-Drink Shopping for, Psychological Science (2021). DOI: 10.1177/09567976211017022

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Taxing sugary drinks curbs consumption, however solely when identified (2021, November 15)
retrieved 15 November 2021
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