selected publications academic article Valizadeh, P., & Ng, S. W. (2024). Promoting Healthier Purchases: Ultraprocessed Food Taxes and Minimally Processed Foods Subsidies for the Low Income. American Journal of Preventive Medicine. 67(1), 3-14. Melo, G., Valizadeh, P., & Nayga, R. M. (2023). Did mental and emotional health of SNAP families' children improve during the COVID-19 pandemic?. Preventive Medicine. 169, 107456-107456. Smith, T. A., & Valizadeh, P. (2023). Aging out of WIC and child nutrition: Evidence from a regression discontinuity design. American Journal of Agricultural Economics. 106(2), 904-924. Valizadeh, P., Fischer, B. L., & Bryant, H. L. (2023). SNAP enrollment cycles: New insights from heterogeneous panel models with cross-sectional dependence. American Journal of Agricultural Economics. 106(1), 354-381. Valizadeh, P., Popkin, B. M., & Ng, S. W. (2022). Linking a sugar-sweetened beverage tax with fruit and vegetable subsidies: A simulation analysis of the impact on the poor. AMERICAN JOURNAL OF CLINICAL NUTRITION. 115(1), 244-255. Valizadeh, P., Smith, T. A., & Ploeg, M. V. (2021). Do SNAP Households Pay Different Prices throughout the Benefit Month?. Applied Economic Perspectives and Policy. 43(3), 1051-1075. Valizadeh, P., & Ng, S. W. (2021). Would A National Sugar-Sweetened Beverage Tax In The United States Be Well Targeted?. American Journal of Agricultural Economics. 103(3), 961-986. Valizadeh, P., & Ng, S. W. (2020). The New school food standards and nutrition of school children: Direct and Indirect Effect Analysis. Economics and Human Biology. 39, 100918-100918. Valizadeh, P., & Smith, T. A. (2020). How Did The American Recovery and Reinvestment Act Affect the Material WellBeing of SNAP Participants? A Distributional Approach. Applied Economic Perspectives and Policy. 42(3), 455-476. Valizadeh, P., Popkin, B. M., & Ng, S. W. (2020). Distributional Changes in U.S. Sugar-Sweetened Beverage Purchases, 2002-2014. American Journal of Preventive Medicine. 59(2), 260-269. Caro, J. C., Valizadeh, P., Correa, A., Silva, A., & Ng, S. W. (2020). Combined fiscal policies to promote healthier diets: Effects on purchases and consumer welfare. PLoS ONE. 15(1), e0226731-e0226731. Smith, T. A., Valizadeh, P., Lin, B., & Coats, E. (2019). What is driving increases in dietary quality in the United States?. Food Policy. 86, 101720-101720. Valizadeh, P., Karali, B., & Ferreira, S. (2017). Ripple effects of the 2011 Japan earthquake on international stock markets. Research in International Business and Finance. 41, 556-576.