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Impacts of COVID-19 Lockdowns and Stimulus Payments on Low-income Population's Spending in the United States

The COVID-19 pandemic has profoundly impacted the economy and human lives worldwide, particularly the vulnerable low-income population. We employ a large panel data of 5.6 million daily transactions from 2.6 million debit cards owned by the low-income population in the U.S. to quantify the joint impacts of the state lockdowns and stimulus payments on this population’s spending along the inter-temporal, geo-spatial, and cross-category dimensions. Leveraging difference-in-differences and spatial association analyses at the per card and zip code levels, we uncover three key findings. (1) Inter-temporally, the state lockdowns diminished the daily average spending relative to the same period in 2019 by $3.9 per card and $2,214 per zip code, whereas the stimulus payments elevated the daily average spending by $15.7 per card and $3,307 per zip code. (2) Spatial heterogeneity prevailed: Democratic zip codes displayed much more volatile dynamics, with an initial decline three times that of Republican zip codes followed by a higher rebound and a net gain after the stimulus payments; Southwest exhibited the highest initial decline whereas Southeast largest net gain after the stimulus payments. (3) Across 26 categories, the stimulus payments promoted spending in those categories that enhanced public health and charitable donations, reduced food insecurity and digital divide, while having also stimulated non-essential and even undesirable categories, such as cigar and liquor. Overall, these analyses reveal the imperative need for more geo- and category-targeted stimulus programs to protect and promote the well-being of the low-income population amid the public health and economic crises.