Nobel Laureate Edmund Phelps of Columbia University talks with EconTalk host Russ Roberts about the market for labour, unemployment, and the evolution of macroeconomics over the past century. The conversation begins with a discussion of Phelps's early contributions to the understanding of unemployment and the importance of imperfect information. Phelps put his contribution into the context of the evolution of macroeconomics showing how his models were related to those of Keynes, the Austrian School, and rational expectations. The conversation then turns to the issue of whether macroeconomics is making progress, particularly in understanding business cycles. The discussion concludes with the satisfactions of work and the role of creativity and dynamism.