Under conventional representations of economic policymaking, any innovation is either (1) a change in the objectives that policymakers are seeking to achieve, (2) a change in the choice of policy instrument, or (3) a change in the way auxiliary aspects of economic activity are used to steer...

Most public discussion of the 1979 Volcker experiment at the time, and likewise most of the subsequent academic literature, emphasized either the role of quantitative targets for money growth (3) or the use of an open market operating procedure based on a reserves quantity rather than a...