Geographic Inequality in Food Inflation

Seula Kim and Michael Navarrete

Policy Hub, 2026, vol. 2026, issue 1, 7

Abstract: Using NielsenIQ Retail Scanner data, we study how food inflation varies across regions with different income levels and the role of retailer market structure. From 2006 to 2020, for the average consumer, food prices—as measured by the personal consumption expenditures (PCE) price index for food and beverages—rose by by about 1.8 percent per year. However, this aggregate increase masked substantial spatial heterogeneity. Poorer metropolitan statistical areas (MSAs) experienced annualized food inflation that was half a percentage point higher than that of richer ones—amounting to a cumulative difference of 8.8 percentage points over the period. We show that higher retailer concentration—that is, markets with less retailer competition—in poorer areas is one contributing factor to the higher food inflation that consumers in these locations faced.

Keywords: inflation; spatial inequality (search for similar items in EconPapers)
JEL-codes: E31 I31 R12 (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:fip:a00068:102396

DOI: 10.29338/ph2026-01

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