Session I -- 1 What Is a Business Cycle? -- 2 The Cycle Before New-Classical Economics -- Session II -- 3 For a Return to Pragmatism -- 4 The Cowles Commission Approach, Real Business Cycle Theories, and New-Keynesian Economics -- Session III -- 5 How Does It Matter? -- Conference Overview -- Commentary: Déjà Vu All Over Again by Alan S. Blinder -- Commentary: Business Cycle Developments and the Agenda for Business Cycle Research by Herschel I. Grossman -- Commentary: Where Do We Stand? by Michael Parkin.