In February 1933, Edward Chamberlin published The Theory of Monopolistic Competition. Joan Robinson's The Economics of Imperfect Competition followed in the spring. A disciplinary consensus quickly formed, holding that the two books represented simultaneous discoveries of the same theoretical...

In 1930, Richard Kahn became a fellow of King's College, Cambridge, on the basis of his book-length dissertation 'The Economics of the Short Period.' It was finally published in the 1980s. Why did he not publish his thesis in the 1930s, when it would have made a substantial impact? We present...