Hall's excellent survey of business cycles is concise, lucid, and up-to-date discussing not only early theories of the business cycle and Keynesian and monetarist models, but also the rational expectationist and new Keynesian models along with actual business cycles. . . . Strengths of the book include an excellent bibliography and Hall's insightful history of business cycles from the panic of 1907 to the long cyclical expansion beginning in late...