* "Speculation and Economic Stability", 1939, RES* "Capital Intensity and the Trade Cycle", 1939, Economica* "A Model of the Trade Cycle", 1940, EJ* "Professor Hayek and the Concertina Effect", 1942, Economica* "The Relation of Economic Growth and Cyclical Fluctuations", 1954 EJ* "An Expenditure Tax", 1955.
* Speculation and Economic Stability, 1939, RES* Capital Intensity and the Trade Cycle, 1939, Economica* A Model of the Trade Cycle, 1940, EJ* Professor Hayek and the Concertina Effect, 1942, Economica* The Relation of Economic Growth and Cyclical Fluctuations, 1954 EJ* An Expenditure Tax, 1955.