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Impact of a sugar-sweetened beverage tax two-year post-tax implementation in Seattle, Washington, United States.
J Public Health Policy. 2021 Dec; 42(4):574-588.JP

Abstract

This study examines longer-run impacts of the Seattle, Washington, Sweetened Beverage Tax (SBT) on beverage prices, volume sold, and cross-border shopping. We use a difference-in-differences estimation approach, drawing on universal product code-level store scanner data on taxed and untaxed beverages one-year pre-tax and two-year post-tax with Portland, Oregon, as the comparison site. Two-year post-tax, prices of taxed beverages increased by 1.04 cents per ounce (59% tax pass-through rate). Volume sold of taxed beverages fell by 22%. Declines were larger for family-size (29%) compared to individual-size (10%) beverages; particularly for soda (36% decrease for family-size compared to no change for individual-size). We found no change in volume sold of taxed beverages in Seattle's 2-mile border area, suggesting no cross-border shopping. Overall, we found a sustained impact of the Seattle SBT two-year post-tax implementation suggesting that sugar-sweetened beverage taxes may yield permanent reductions in demand for sugary beverages and associated health harms.

Authors+Show Affiliations

Division of Health Policy and Administration (MC 923), School of Public Health, University of Illinois Chicago, Rm. 777, 1603 W Taylor St., Chicago, IL, 60612-4393, USA. powelll@uic.edu. Institute for Health Research and Policy, University of Illinois Chicago, Chicago, IL, USA. powelll@uic.edu.Institute for Health Research and Policy, University of Illinois Chicago, Chicago, IL, USA.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

34732842

Citation

Powell, Lisa M., and Julien Leider. "Impact of a Sugar-sweetened Beverage Tax Two-year Post-tax Implementation in Seattle, Washington, United States." Journal of Public Health Policy, vol. 42, no. 4, 2021, pp. 574-588.
Powell LM, Leider J. Impact of a sugar-sweetened beverage tax two-year post-tax implementation in Seattle, Washington, United States. J Public Health Policy. 2021;42(4):574-588.
Powell, L. M., & Leider, J. (2021). Impact of a sugar-sweetened beverage tax two-year post-tax implementation in Seattle, Washington, United States. Journal of Public Health Policy, 42(4), 574-588. https://doi.org/10.1057/s41271-021-00308-8
Powell LM, Leider J. Impact of a Sugar-sweetened Beverage Tax Two-year Post-tax Implementation in Seattle, Washington, United States. J Public Health Policy. 2021;42(4):574-588. PubMed PMID: 34732842.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Impact of a sugar-sweetened beverage tax two-year post-tax implementation in Seattle, Washington, United States. AU - Powell,Lisa M, AU - Leider,Julien, Y1 - 2021/11/03/ PY - 2021/10/19/accepted PY - 2021/11/5/pubmed PY - 2021/11/5/medline PY - 2021/11/4/entrez KW - Fiscal policy KW - Health taxes KW - Sugar-sweetened beverage taxes SP - 574 EP - 588 JF - Journal of public health policy JO - J Public Health Policy VL - 42 IS - 4 N2 - This study examines longer-run impacts of the Seattle, Washington, Sweetened Beverage Tax (SBT) on beverage prices, volume sold, and cross-border shopping. We use a difference-in-differences estimation approach, drawing on universal product code-level store scanner data on taxed and untaxed beverages one-year pre-tax and two-year post-tax with Portland, Oregon, as the comparison site. Two-year post-tax, prices of taxed beverages increased by 1.04 cents per ounce (59% tax pass-through rate). Volume sold of taxed beverages fell by 22%. Declines were larger for family-size (29%) compared to individual-size (10%) beverages; particularly for soda (36% decrease for family-size compared to no change for individual-size). We found no change in volume sold of taxed beverages in Seattle's 2-mile border area, suggesting no cross-border shopping. Overall, we found a sustained impact of the Seattle SBT two-year post-tax implementation suggesting that sugar-sweetened beverage taxes may yield permanent reductions in demand for sugary beverages and associated health harms. SN - 1745-655X UR - https://www.unboundmedicine.com/medline/citation/34732842/Impact_of_a_sugar_sweetened_beverage_tax_two_year_post_tax_implementation_in_Seattle_Washington_United_States_ DB - PRIME DP - Unbound Medicine ER -