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Do Labels Make A Difference: Estimating The Impacts Of Vermont’S Gmo Labeling Law On Perceptions And Prices, Orest V. Pazuniak
Do Labels Make A Difference: Estimating The Impacts Of Vermont’S Gmo Labeling Law On Perceptions And Prices, Orest V. Pazuniak
Graduate College Dissertations and Theses
Vermont is the first and only state in the US to establish mandatory labels for food containing genetically modified organisms (GMOs). This thesis investigates the impact of the mandatory labeling law as it relates to changes in prices, quantities sold, and opinions of GMOs. First, grocery store scanner data from Vermont and Oregon are compared using triple difference (difference-in-difference-in-difference) models. Next, Vermont, Oregon, and Colorado survey response data are compared using difference-in-difference models. The findings reveal that there is a general price premium for non-GMO goods of $0.05/oz across all states and times, that mandatory labeling laws do not result …