The Cost Effectiveness of Taxation of Sugary Foods and Beverages: A Systematic Review of Economic Evaluations

Siyuan Liu, Paul J. Veugelers, Chunhao Liu and Arto Ohinmaa ()
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Siyuan Liu: University of Alberta
Paul J. Veugelers: University of Alberta
Chunhao Liu: York University
Arto Ohinmaa: University of Alberta

Applied Health Economics and Health Policy, 2022, vol. 20, issue 2, No 5, 185-198

Abstract: Abstract Background With increasing concerns about the health consequences and economic burden of excess sugar consumption, a sugar tax is increasingly considered an effective policy to curb sugar consumption. However, little is known about the cost effectiveness of sugar taxes. To inform policy decision makers, we systematically reviewed and analyzed the evidence regarding the cost effectiveness of sugar taxation. Methods We systematically searched six databases (MEDLINE, Web of Science, EMBASE, The Cochrane Library, EconLit, and Google Scholar) to identify relevant journal articles. Two reviewers independently scanned and selected all retrieved studies. Only studies that evaluated sugar taxes and applied economic evaluation methods were included. The quality of included studies was assessed using established standards. Results Fifteen good-quality studies that originated from six countries (the US, Australia, South Africa, Canada, the UK, and Mexico) were included. These studies revealed that sugar tax improved health-related quality of life. Savings from avoided health care costs and revenue from the sugar taxes (totalling US$87 to US$167,799 million) exceeded intervention costs (US$5 to US$2177 million). Each of the 15 studies concluded that sugar tax constitutes a cost-effective intervention that led to cost savings. Conclusions Sugar tax is a practical and cost-effective policy option to reduce the health and economic burden resulting from excess sugar consumption. The impact of sugar taxes depends on the target population, time horizons, and other parameters. Economic evaluations of taxation of a broader set of sugary products and economic evaluations that combine sugar taxation with other interventions are important to inform further action to curb sugar consumption.

Date: 2022
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DOI: 10.1007/s40258-021-00685-x

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