“It’s exactly what we thought the tax would do,” said professor Barry Popkin. Advocates here have argued that one way to help reduce obesity is to tax sodas, making them more expensive to purchase. The key is to put the tax on the producer, so the price of the drinks is raised, rather than treating it like a sales tax, which is added on to the price. Although it was too soon for the study of Mexico’s tax to draw conclusions about fighting obesity, it did show the effects of the tax on sales.
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