“…Certainly, the field has many limitations—the major is that after so many years from the intuitions of Peter Hall (), Bennett and Howlett (), May (), we are still struggling with the causal relation between learning and change. Possibly what we are finding out in terms of micro‐foundations and, turning to another dimension, the Coleman's “bath‐tub” structure of causality (Dunlop & Radaelli, ), will illuminate the way ahead. As mentioned, presumably more leverage will need a closer integration among policy learning, ideational analysis, and knowledge utilization (on the latter, see the attempts made by Schrefler, , and Radaelli, ).…”