Affluent Spending and Supply Shocks: Dual Drivers of U.S. Inflation

A recent study by the Bank of America Institute finds that the top 10 percent of earners in the United States now account for a share of consumer spending comparable to the bottom 40 percent across all major categories. In discretionary categories—restaurants, travel, luxury goods, and entertainment—this high-income group spends “almost as much as the bottom 70 percent combined.” The Department of Labor’s latest report shows overall inflation at a three-year high, yet consumer confidence remains near historic lows. Despite these pressures, total consumer expenditure accelerated in May, suggesting that affluent households are sustaining demand while lower-income households pull back.

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Consumer spending has long represented roughly two-thirds of U.S. economic activity. Over the past decade, the distribution of that spending has become increasingly uneven, producing a “K-shape” pattern in which wealthier households experience rising incomes and robust consumption, while lower-income households face stagnant or declining real wages. Discretionary spending is widely regarded as a leading indicator of overall consumer health; its concentration among higher-income earners therefore has implications for price pressures.

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• Spending share: Top 10 % of earners match bottom 40 % in total spending; they match bottom 70 % combined in discretionary spending.

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• Inflation level: Three-year high reported by the Department of Labor (exact rate not specified).

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• Consumer confidence: Near all-time lows despite robust spending.

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• Labor market: Signs of strength coexist with rising prices, reinforcing the split between affluent spenders and the broader population.

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Federal Reserve Chair Kevin Warsh, speaking after the central bank’s June rate decision, attributed recent inflationary pressure largely to “supply shocks” stemming from the Iran war. He noted that falling oil prices and declining domestic fuel costs—driven by negotiations between the United States and Iran and improved flow through the Strait of Hormuz—have begun to ease those pressures. Warsh also indicated that inflation “risks” and expectations “have come down,” while reaffirming the Fed’s commitment to a 2 percent long-term target.

Newsweek

The Bank of America study emphasizes demand-side dynamics, arguing that continued affluent spending could keep inflation “stubbornly sticky.” In contrast, Warsh’s remarks focus on supply-side factors, particularly geopolitical disruptions to oil markets. The sources do not reconcile these viewpoints, leaving an open question about the relative weight of high-income consumption versus external supply shocks in shaping near-term inflation trends.

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• “As long as affluent consumers keep opening their wallets, inflation could stay stubbornly sticky,” — Bank of America Institute researchers

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• “The Bank of America Institute has been one of many to note that discretionary spending growth is increasingly skewed toward higher-income households.” — Bank of America Institute researchers

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Negotiations between the United States and Iran are expected to continue influencing oil and fuel prices, which could further affect headline inflation. The Federal Reserve will monitor both supply-side developments and consumer-demand patterns as it assesses future interest-rate actions to achieve its 2 percent inflation target.

Newsweek