This book of essays is devoted to a discussion and elaboration of Arthur M. Okun's theories and policy prescriptions as outlined in his posthumously published Prices and Quantities: A Macroeconomic Analysis. Okun hoped that his work would stimulate just such discussions on both macroeconomics and microeconomics and specifically on methods of fighting stagflation. The essays follow the general pattern of Okun's book. Martin Neil Baily and John B. Taylor...