Due to the fast pace of modern life, sedentary lifestyle and caloric-dense, high-fat diets have caused the obesity epidemic. Obesity epidemic has not only caused serious damage to the health of consumers, but also there exists strong externalities. Therefore, the government regulation needed to reverse the problem of obesity has become the must-have measures. However, the complexity and universality of the growing problem of obesity cause the gov-ernment regulationfor the obesity epidemic fall into the dilemma of interfering the consumers' freedom of choice and improving consumer welfare. By sorting out the epidemic of obesity, this paper takes into account the long-term health risks caused by the obesity epidemic, in order to discuss the feasibility of implementing government fat tax reg-ulation, and analyze the expected effects that fat tax policy may make on food market the effect.%由于现代生活节奏的加快,久坐不动的生活方式和能量密集的高脂饮食导致了肥胖的流行,它不仅对消费者自身的健康造成了损害,还存在强烈的外部性,因此政府对肥胖问题的管制成为应有之义,但由于肥胖问题本身的复杂性和普遍性,使得对肥胖流行的管制陷入干预消费者选择自由与提高消费者福利的两难. 本文通过对肥胖流行问题的梳理,考虑到肥胖流行所导致的长期健康风险,讨论了政府实施脂肪税管制的可行性,并就脂肪税收政策在食品市场预期可能产生的效果进行了分析.
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