The success of the Volcker disinflation led to a new era known as the Great Moderation (mid-1980s to 2007). This period was characterized by low and stable inflation, reduced volatility in output, and a near-flattening of the Phillips Curve. Many economists attributed this success to improved monetary policy frameworks, particularly . Adopted by the Reserve Bank of New Zealand in 1990 and later by many other central banks, this approach involved publicly announcing an inflation target (e.g., 2%) and adjusting interest rates preemptively to achieve it.
The 1970s delivered a devastating empirical refutation of the simple Phillips Curve. Following the OPEC oil embargo of 1973 and subsequent supply shocks, the U.S. and other developed economies experienced simultaneous rises in both unemployment and inflation—stagflation. This was theoretically impossible according to the original Phillips Curve, which had posited that one could only move along the curve, not shift it outward. Macroeconomia
The Elusive Equilibrium: Inflation, Unemployment, and the Evolution of Macroeconomic Policy The success of the Volcker disinflation led to
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