Penn State Study Links Grocery Price Hikes to Increased Food Hardship and Mental Health Issues in U.S. Households
A recent study by Penn State researchers, published in the journal Applied Economic Perspectives and Policy, reveals a significant association between rising grocery prices and increased food insufficiency and deteriorating mental health among U.S. households. The investigation, led by Associate Professor Yizao Liu and doctoral candidate Yuxiang Zhang, utilized data from the U.S. Census Bureau's Household Pulse Survey. Between 2020 and 2024, grocery store prices in the United States surged by over 20%, surpassing the general inflation rate. This escalation was attributed to a combination of factors, including the COVID-19 pandemic, climate-related supply chain disruptions, and rising energy costs. The study identified four distinct behavioral profiles in how households cope with these price increases: minimal responders, price-sensitive substituters, comprehensive adjusters, and resource-strained sacrificers. Across all profiles, households experienced higher food expenditures, increased risk of food insuf...