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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Claus W. Langfred George Mason University

Claus W. Langfred is associate professor of management in the School of Business
at George Mason University. He received his PhD in organization behavior from
Northwestern University in 1998, where he worked with the Dispute Resolution
Research Center. His research has appeared in the Academy of Management Journal,
Journal of Applied Psychology, Journal of Organizational Behavior, Journal of Management,
Small Group Research, and International Journal of Conflict Management. His work has
also appeared in multiple book chapters, been selected for the Best Paper Proceedings
of the Academy of Management, and been covered in the Harvard Business Review
and the Financial Times. He currently serves on the editorial boards of the Journal of
Trust Research and the Journal of Organizational Behavior. He has taught negotiation
for over 20 years, primarily at the MBA level, but also in other graduate and undergraduate
programs, as well as to executive clients. He has received numerous teaching
awards at multiple universities (Northwestern University, Washington University in
St. Louis, and George Mason University) for both graduate and undergraduate classes
on negotiation.