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Imperfect knowledge and the pitfalls of optimal control monetary policy
Sixty years ago, Milton Friedman questioned the usefulness of the optimal control approach because of policymakers’ imperfect knowledge of the economy and favored instead a simple rule approach to monetary policy (1947, 1948). These are still live issues, despite the development of powerful techniques ...
Monetary policy in Chile: a black box?
During the 1990s the Chilean economy gradually cut its inflation rate from figures in the thirties to 4.7 percent in 1998. Central bank authorities have declared that the main objective of monetary policy is to reduce inflation to levels comparableto those in industrial countries. The desgnated ...
Optimal monetary policy rules when the current account matters
Policymarkers and the academic community have reached an increasing consensus during the last two decades: the primary objective of monetary policy should be to control inflation (see, for example, King, 1999). A less settled issue is the appropriate role of the central bank regarding other, secondary ...
The fiscal footprint of macroprudential policy
Monetary policies leave a fiscal footprint. When the central bank cuts the policy interest rate, this footprint comes through multiple
channels: The demand for currency rises, so the central bank prints more banknotes to accommodate it, and this creates seignorage revenues. Inflation unexpectedly ...
Inflation target transparency and the macroeconomy
Over the last twenty years, many central banks have adopted increasing standards of transparency in communicating their monetary policy objectives, in particular regarding the explicit definition and quantification of their price stability objective or inflation target. One important benefit of increased ...
Quantitative easing and financial stability
Since the global financial crisis of 2008–09 many of the leading central banks have dramatically increased the size of their balance sheets and have shifted the composition of the assets that they hold toward larger shares of longer-term securities (as well as toward assets that are riskier in other ...