Will Inflation Return in 2026?

The Biden/Trump administration's expanded tariff regime — 25% on steel/aluminum, 25% on Canadian/Mexican imports, 60%+ on Chinese goods — is estimated to add 0.5–1.5% to US CPI over 12–18 months (Peterson Institute, Goldman Sachs estimates). Retailers including Walmart and Target have warned of imminent price increases. Supply chain reshoring, while long-term beneficial, creates transitional cost pressures as more expensive domestic production replaces cheaper imports.

The CHIPS and Science Act and Inflation Reduction Act triggered $500B+ in domestic manufacturing investment commitments. While beneficial for long-run supply security, domestic semiconductor fabs, EV battery plants, and pharmaceutical manufacturing are structurally more expensive than Asian alternatives by 40–200%. These higher production costs are gradually embedded into consumer prices as domestic supply comes online, representing a secular rather than cyclical inflationary force.

Average hourly earnings grew 4.1% year-over-year in March 2026, above the ~3.0% level consistent with 2% inflation (assuming 1% productivity growth). Services sector wages are especially sticky: healthcare workers (+5.2%), construction (+4.8%), and hospitality (+4.1%) are all running well above the inflation target. With unemployment at 4.3% — still below the 4.5% threshold where labor market slack typically slows wage growth — compensation costs remain elevated.

Energy prices are the most volatile CPI component, with crude oil swinging from $65 to $95/barrel range in 2025. Middle East conflict escalation risk, OPEC+ production decisions, and Venezuela/Iran sanction changes create persistent upside risk. A $20/barrel oil spike adds approximately 0.4% to headline CPI within 2–3 months. Conversely, US shale production at record 13.2 million barrels/day provides supply-side ceiling.

The US federal deficit runs at $1.8T+ (6.5% of GDP) — historically high for a non-recessionary period. Milton Friedman's 'inflation is always and everywhere a monetary phenomenon' remains relevant: sustained deficit monetization (the Fed buying Treasury debt) directly expands money supply. While the Fed's QT program is reducing its balance sheet, fiscal stimulus continues injecting demand into an economy not operating with significant slack.

The BLS measures housing costs through Owners' Equivalent Rent (OER) and rental surveys, which lag actual market conditions by 12–18 months. Private sector rent indices (Zillow, Apartment List) show new lease rents declining since 2022, but BLS OER — which represents 35% of core CPI — only began reflecting this improvement in late 2025. The lag effect means housing disinflation is still working through official CPI, providing a near-term deflationary tailwind that will fade in 2026.

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情報源: Federal Reserve Core PCE Projection, March 2026 SEP

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情報源: Goldman Sachs Economics, March 2026

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情報源: Larry Summers (Harvard Kennedy School), February 2026

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情報源: Bank for International Settlements (BIS) Quarterly Review, Q1 2026

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情報源: Mohamed El-Erian (Queens College Cambridge), Q1 2026