He was one of the rare German Keynesians, and he brought to his new tasks the unshakable conviction that government had both the obligation and the capacity to shape economic trends and to smooth out and even eliminate the business cycle.
Han var en af de få tyske keynesianere, og han havde den urokkelige holdning, at staten både havde pligt og evne til at skabe økonomiske trends og udjævne og efterhånden fjerne konjunkturudsving.