The Persistence of Healthy Behaviors in Food Purchasing

106 Pages Posted: 20 Mar 2018 Last revised: 27 Jul 2022

Multiple version iconThere are 2 versions of this paper

Date Written: June 23, 2022

Abstract

When a policy gives temporary incentives for healthy behaviors, how long does the impact last? The U.S. Special Supplemental Nutrition Program for Women, Infants, and Children gives food vouchers to young children and their mothers. Using household-level scanner data, I study the reform of the program that introduced vouchers for healthier products. The difference-in-differences analysis shows that the reform makes purchases healthier during the program participation in the product categories most targeted by the reform (bread and milk). However, the effect is not always persistent. For bread, the effect decreases significantly within a couple of years after participants exit the program. Demand model estimates imply that price differences between healthy and unhealthy products play a large role in decreasing the program’s impact. Therefore, some differences in the persistence can be explained by the relatively higher prices of healthy foods. Counterfactual analysis shows that a modest post-program subsidy might be a sustainable way to lengthen the program’s impact and lead to long-term healthier purchases.

Keywords: Consumer Behavior, Dietary Choices, Long-Term Policy Effects, WIC, Food Subsidy

JEL Classification: D12, I12, L66, I38

Suggested Citation

Hinnosaar, Marit, The Persistence of Healthy Behaviors in Food Purchasing (June 23, 2022). Available at SSRN: https://ssrn.com/abstract=3143853 or http://dx.doi.org/10.2139/ssrn.3143853

Marit Hinnosaar (Contact Author)

University of Nottingham ( email )

University Park
Nottingham, NG8 1BB
United Kingdom

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