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New Research on the Effects of the Seattle Sweetened Beverage Tax from Fretts, Knox, Jones-Smith, and Colleagues

Posted: 3/4/2022 (CSDE in the News)

CSDE Affiliates Amanda Fretts, Melissa Knox, and Jessica Jones-Smith along with a number of co-authors have recently published a new article in Nutrients, available in full HERE. The authors utilize pre- and post-tax survey data collected from residents in Seattle, WA — which implemented a sweetened beverage tax in 2018 — and from residents in an untaxed comparison area. Using income-stratified difference-in-difference linear probability models, the authors compare net changes in the perceived healthfulness of overall sweetened beverage consumption and of different types of sugary beverages over time and across income groups.

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