In March 2024, the European Central Bank published the results of a review of its operational framework. After discussing how the ECB operational framework has changed since the Great Financial Crisis, we provide an assessment of the review, which we deem as premature, and highlight some gaps it...

Using US data, we estimate optimal policy with a probability below one that the Fed reneges on its commitment ("limited credibility") versus discretionary policy where the Fed reneges on its commitment at all periods with a probability equal to one ("zero credibility"). The transmission...