1. Introduction; Lall B. Ramrattan and Michael Szenberg2. On Collaboration in General Economics; Paul A. Samuelson3. Reflections on Our Collaborations in Industry Studies; Walter Adams and James W. Brock4. The Productivity Impact of Collaborative Research in Industrial Economics; W. Kip Viscusi 5. Age, Cohort and Co-Authorship: The Statistics of Collaboration; Daniel S. Hamermesh6. Collaborative Choices in Econometrics; Charles F. Manski7. On the Pleasures and Gains of Collaboration in Microeconomics; William J. Baumol8. A Serial Collaborator in Macroeconomics; David Colander9. Collaboration with and without Co-authorship: Rocket Science versus Economic Science; William A. Barnett10. Why We Collaborate in Mathematical Ways; Graciela Chichilnisky11. Collaborative Is Superadditive in Political Economics; Richard Zeckhauser12. "Heinz" Harcourt's Collaborations: Over 57 varieties in Post-Keynesian Economics; Geoff Harcourt13. Coauthors and Collaborations in Labor Economics; Ronald G. Ehrenberg14. Two Heads are Better than One, and Three is a Magic Number in Labor Economics; Mary Ellen Benedict15. Why Collaborate in International Finance?; Rachel McCulloch16. My Collaborations in Game Theory; L.G. Telser17. Co-Authors in History; Stanley Engerman18. Collaboration: Making Eclecticism Possible in Economic Law and Politics; Susan Rose-Ackerman19. Collaboration and the Development of Experimental Economics: A personal perspective; Vernon L. Smith

About the Author: Michael Szenberg is Distinguished Professor of Economics and Chair of the Business and Economics Department at Touro College, USA. He is Distinguished Professor Emeritus of the Lubin School of Business at Pace University, USA. He is recipient of many awards, including the 2013 John R. Commons Award, and he served as the editor, Emeritus, of The American Economist (1973-2011).
Lall B. Ramrattan is Instructor at the University of California, Berkeley, USA. He has served as an associate editor of The American Economist, and holds a PhD from the New School for Social Research, USA.
Szenberg and Ramrattan have collaborated on journal articles, encyclopedia entries, and more than 17 books.

Contributors
Walter Adams, Michigan State University, USAWilliam A. Barnett, University of Kansas, USAWilliam J. Baumol, New York University, USAMary Ellen Benedict, Bowling Green State University, USAJames W. Brock, Miami University, USAGraciela Chichilnisky, Columbia University, USADavid Colander, Middlebury College, USARonald G. Ehrenberg, Cornell University, USAStanley Engerman, University of Rochester, USADaniel S. Hamermesh, Royal Holloway University of London, UKGeoffrey Harcourt, Cambridge University, UKRachel McCulloch, Brandeis University, USACharles F. Manski, Northwestern University, USASusan Rose-Ackerman, Yale University, USAPaul Samuelson, Massachusetts Institute of Technology, USAVernon L. Smith, Chapman University, USAL. G. Telser, University of Chicago, USAW. Kip Viscusi, Vanderbilt University, USARichard Zeckhauser, Harvard University, USA