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The incidence of taxes on sugar-sweetened beverages: the case of Berkeley, California
Working paper   Open access

The incidence of taxes on sugar-sweetened beverages: the case of Berkeley, California

John H. Cawley and David E Frisvold
NBER working paper series, Vol.21465
National Bureau of Economic Research
08/2015
DOI: 10.3386/w21465
url
https://doi.org/10.3386/w21465View
Open Access

Abstract

Obesity and diet-related chronic disease are increasing problems worldwide. In response, many governments have enacted or are considering taxes on energy-dense foods. Perhaps the most commonly-recommended policy is a tax on sugar-sweetened beverages (SSBs). This paper estimates the extent to which a tax on SSBs is passed through to consumers in the form of higher prices. We examine the first city-level tax on SSBs in the U.S., which was enacted by the voters of Berkeley, California in November, 2014. We collected the prices of various brands and sizes of SSBs and other beverages before and after the implementation of the tax from a near-census of convenience stores and supermarkets in Berkeley, California. We also collected prices from stores in a control city: San Francisco, where in a similar voter referendum failed despite majority support. Estimates from difference-in-differences models indicate that, across all brands and sizes of products examined, 43.1 percent (95 percent confidence interval: 27.7 percent - 58.4 percent) of the Berkeley tax was passed on to consumers. The estimates also are consistent with cross-border shopping. For each mile of distance between the store and the closest store selling untaxed SSBs, pass-through rose 33.3 percent for 2-liter bottles and 25.8 percent for 12-packs of 12-ounce cans.
 Obesity Carbonated beverages Econometric models Prevention Prices Soft drinks Taxation

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