Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/333975 
Authors: 
Year of Publication: 
2025
Publisher: 
Prime Institute, Islamabad
Abstract: 
This paper investigates why U.S. inflation during 2021–2022 subsided without the expected rise in unemployment implied by the Phillips curve, advancing the question of whether supply-side factors and anchored expectations reshaped the inflation–employment relationship. Drawing on macroeconomic data from FRED, the study integrates empirical analysis of inflation, wage growth, energy prices, and unemployment to test the sensitivity of inflation to labor market conditions. The theoretical framework re-evaluates the Phillips curve in the context of supply-driven inflation and credible inflation-targeting regimes. Results indicate that supply shocks—mainly energy price and supply-chain disruptions—proved transitory, while the Federal Reserve’s communication effectively anchored expectations near its 2% target. Consequently, inflation declined without the employment sacrifices predicted by traditional models, implying a flatter Phillips curve and stronger role for expectations anchoring. The study concludes that macroeconomic policy must better distinguish supply- from demand-induced inflation, integrating expectations management and policy credibility into models of disinflation dynamics.
Subjects: 
Supply-driven inflation
Phillips curve
Anchored expectations
Disinflation
Monetary policy credibility
Supply-side shocks
Inflation targeting
Energy prices
Labour market dynamics
Macroeconomic stabilization
Document Type: 
Preprint

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