身边的经济学·社会常识英语30篇（5）

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为什么一些国家对含糖饮料征税？效果如何？

Mexico introduced a sugar tax in 2014 after studies linked soda to rising diabetes and childhood obesity rates nationwide.
Sales of taxed drinks dropped 12% in the first year, while water and unsweetened tea sales rose steadily among low-income families.
Manufacturers reformulated many products—cutting sugar by up to 30%—to avoid the tax without changing labels or prices.
Revenue funds school health programs, public fitness zones, and nutrition education—not general government budgets alone.
Teenagers responded most strongly, likely because they drink more soda and notice price changes more than adults do.
Some people switched to untaxed ‘sports drinks’ or flavored waters, showing how policy must evolve with consumer behavior.
Tax alone didn’t fix diet habits—but combined with clearer labels and school bans, it became part of a lasting shift.
It proves that small, well-designed nudges can support healthier choices without banning anything outright.