Acknowledgments

Many people have contributed to this book with extraordinary intellectual generosity. It is a pleasure to thank as many of them as I can recall. To anyone I left out, my apologies.

Stu Abraham, Lawrence Baxter, Gary Bolles, Brian Geffert, Raghu Garud, Heather Jordan, Tom McGlaughlin, Dave Robertson, and Don Shemanski each read sections of the book and made helpful suggestions. My students, both current and former, have provided assistance with suggestions, corrections, and fresh insights: in particular, to Chao He, Amanda Hahnel, Jamie Joung, Terrence Kim, Tushar Shanker (who did wonderful work on the graphs), and Mike Waldhier, my sincere appreciation. In the heavy lifting department, Lee Erickson, Dave Hall, John Parkinson, Jamie Taylor, and Richard Weddle made substantial suggestions and/or edits after reading one or more versions of the complete manuscript. Each of you made this project better; where it has flaws, those are mine.

At John Wiley, Tim Burgard got a green light for the project and handed me off to the capable team of Stacey Rivera, Natasha Andrews-Noel and Helen Cho who made the production process feel smooth and positive.

Financial support came from the Smeal College of Business at Penn State, with thanks to my department chair, Gene Tyworth, and to Arvind Rangaswamy, our senior associate dean. Thanks also go to the College of Information Sciences and Technology, also at Penn State, for financial support granted by Dean David Hall.

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