In the case of the third proposal, for minimum long-term debt requirements, the perspective did not immediately suggest any unfavorable unintended consequences, thereby perhaps strengthening its appeal as a near-term policy priority. I have only grazed the surface of useful work that may spring from this hybrid subdiscipline.
It is important for central banks to think hard about how they intend to achieve an exit as soon as economic conditions make it viable to do so. From a more general angle, integrating financial stability considerations into monetary policy while maintaining the primacy of the price stability goal will be a key challenge for the future.