Monetary aggregates have played a less prominent role in monetary policy analysis since the adoption of inflation targeting (IT) by many central banks in the 1990s. Former Bank of Canada Governor Gerald K. Bouey famously remarked, “We didn't abandon monetary aggregates, they abandoned us.” Several studies, such as those by Estrella and Mishkin (1996) for the United States, Tallman and Chandra (1996) for Australia, Astley and Haldane (1997) for the United Kingdom, and Gertler and Hoffman for 46 advanced economies, provided empirical evidence that monetary aggregates do not significantly explain future output and inflation.
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