By late 2024 US headline CPI had fallen to 2.4%, within hailing distance of the Federal Reserve's 2% target. Unemployment stayed below 4.5% through the entire tightening cycle. This was not the outcome consensus macro forecasted in 2022 — which expected the disinflation to require a meaningful recession and several percentage points of additional unemployment to break the wage- price spiral.
What Worked
The bulk of the disinflation came from supply-side normalization, not demand destruction. Container shipping costs collapsed from 2022 highs as Pacific routes reopened. Used-car prices, the canonical 2021-2022 inflation story, mean-reverted as the chip shortage eased and new-car production caught up. Energy commodity prices fell. Jerome Powell, in his August 2024 Jackson Hole remarks, conceded that "an unwinding of pandemic-related distortions" did most of the work the Fed did not. The Federal Reserve had raised the funds rate from near zero to over 5%, but the comparison with the 1981 Volcker disinflation makes clear how much milder the labor-market cost has been.
What Hurt
Shelter inflation — heavily weighted in CPI through owners' equivalent rent — ran above 5% well into 2024, kept high by mortgage rates that themselves rose because of Fed policy. The composition matters: rate hikes priced existing homeowners out of selling, locked supply, and held shelter inflation up. San Francisco Fed President Mary Daly's 2024 speeches acknowledged the shelter component was "stickier than the framework anticipated." This is a recurring problem with using a single instrument (the funds rate) to manage an economy whose components respond on completely different time horizons. Rate hikes slow construction immediately, even as they fail to bring down measured rent for a year or more, because the index lags the spot market by several quarters.
The Open Question on the Framework
Olivier Blanchard's 2024 PIIE work argues the Fed's 2% target is too low to provide meaningful policy space at the zero lower bound, and that 3% would have allowed less aggressive tightening with comparable outcomes. The Fed's 2025 framework review — the first since the 2020 "flexible average inflation targeting" reset — will test whether that critique reshapes the operating mandate or stays academic. The political constraint is real: any move away from the 2% anchor risks the credibility that took decades to build, and any move toward 3% will be read by inflation hawks as a permanent loosening of discipline.
The technical case for a higher target is that the natural rate of interest has fallen since the 1990s, meaning the zero lower bound binds more often and the Fed has less conventional policy space when it is needed. A higher inflation anchor gives the Fed more nominal interest-rate room above zero. Blanchard's argument is that the cost of permanently slightly higher inflation is small compared to the cost of recurrent stuck-at-zero episodes like the 2008-2015 stretch.
The Maximum-Employment Side
The dual mandate's second leg is maximum employment. Unlike the inflation mandate, this one has no numerical target. The Fed estimates the non-accelerating-inflation rate of unemployment (NAIRU) but does not commit to it publicly. The 2020 framework revision committed the Fed to running the labor market "hot" — allowing unemployment to fall below NAIRU until inflation actually rose — and the 2021-2022 inflation episode is what happens when that strategy meets a supply shock the framework was not designed for.
The empirical question whether maximum employment is best served by the "high pressure" labor markets that Janet Yellen and Lael Brainard advocated, or by a more cautious approach, remains genuinely open. The 2022-2024 cycle provides one data point: high-pressure labor markets coincided with rapid wage growth at the bottom of the distribution and significant gains in labor-force participation, both of which are durable goods even after inflation normalized.
The Honest Reading
The dual mandate worked in 2024 partly because the Fed was lucky on supply, not just disciplined on demand. The next disinflation, absent supply tailwinds, will be a harder test. The framework's resilience depends on whether the 2% target survives the next bout of cost-push inflation, or whether the Blanchard-style argument for a higher anchor wins political traction. The 2025 framework review is the institutional moment to settle this, and the choices made in it will shape the Fed's policy space for the next decade. Whichever way the review goes, it will not resolve the deeper problem: that a single instrument used by a politically insulated central bank is being asked to manage outcomes — wage growth at the bottom, asset price stability, financial stability, household-formation rates — that require multiple tools the Fed does not control. The dual mandate is a constraint inside a much larger institutional gap, and the Fed's success or failure depends as much on what fiscal and labor-market policy do as on what the Fed itself does.
What the Next Cycle Will Reveal
The 2024-2026 cycle is a relatively favorable test of the dual mandate. The 2030s cycles are likely to be harder. Demographic pressure on labor supply, climate-related supply shocks, and the continued reshoring of supply chains will all produce inflation dynamics the post-1995 framework was not built for. Whether the Fed's institutional capacity adapts to these conditions or whether the framework requires substantial revision will be tested by the next major asymmetric shock. The 2025 framework review is the institutional moment to prepare, but most institutional preparation arrives only after the next crisis has already revealed what was missing.
The Institutional Lessons
The 2024-2025 disinflation episode produced lessons that the Fed's framework review will have to absorb. The supply-side component of inflation was much larger than the framework assumed; demand-management tools worked less effectively against shelter inflation than the historical pattern suggested; financial-stability concerns recurrently required interventions outside the standard toolkit. None of these points to a clean alternative framework, but together they suggest that the 1990s-era inflation-targeting consensus needs significant modification rather than incremental adjustment. The 2025 review is the institutional moment to make those changes; what the institution chooses to do with the moment will shape Fed policy for the next decade and the response to the next crisis.