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No project of this scope is accomplished alone. Economics: Principles for a Changing World and its suite of learning resources came together as a result of the dedication of many individuals who devoted incredible amounts of time to the project. These include reviewers of manuscript chapters, workshop participants, accuracy reviewers, supplements contributors, project specialists, and the production and editorial staff at Worth Publishers.

I want to thank those reviewers of the fourth edition who read through chapters in manuscript form and offered many important suggestions that have been incorporated into this project. They include:

Steve Abid, Grand Rapids Community College

Gian Aryani, Collin College

Mohammad Bajwa, Northampton Community College

Mihajlo Balic, Harrisburg Area Community College

Yoram Bauman, Stand-Up Economist

Dixie Button, Trident Technical College

Jennifer Bryant, Lamar State College

Joe Cahill, Lonestar College Tomball

Michael Dale, Trident Technical College

Lisa Gloege, Grand Rapids Community College

Clark Goodlett, Trident Technical College

Daniel Kuester, Kansas State University

James Latham, Collin College

Eric Levy, Florida Atlantic University

Ting Levy, Florida Atlantic University

Ishuan Li, Minnesota State University Mankato

Grace O, Georgia State University

Erick Perez, Broward College

Chirinjev Peterson, Greenville Technical College

Dennis Petruska, Youngstown State University

Olga Shemyakina, Georgia Institute of Technology

Robert Simonson, Minnesota State University, Mankato

One of my most enjoyable activities as an author and professor is to travel to campuses to present guest lectures to students or to facilitate workshops for instructors. The questions and feedback received during these visits contributed immensely to the development of this edition. I would like to thank those who have invited me to their campuses, including:

Vicky Chiu-Irion, Honolulu Community College

Debbie Evercloud, University of Colorado at Denver

Paul Fisher, Henry Ford College

Jolien Helsel, Youngstown State University

Linda Hooks, Washington and Lee University

Jennifer Imazeki, San Diego State University

Venoo Kakar, San Francisco State University

Gerard Klonarides, Broward College

Jackie Lindo, Kapiolani Community College

Daniel Murgo, Miami Dade College

Max Nagiel, Daytona State College

Tomi Ovaska, Youngstown State College

Erick Perez, Broward College

Larry Rowland, Hawaii Pacific University

Martin Sabo, University of Colorado at Denver

Ravi Samitamana, Daytona State College

Sue Stockly, Eastern New Mexico University

A. J. Sumell, Youngstown State University

Andrew Tucker, Tallahassee Community College

Enrique Valdes, Miami Dade College

I would like to thank my current and former student assistants who helped with data collection and shared ideas for examples that would click with college students today. These students include Jonathan Lu, Alan Jagessar, Eileen Schneider, Yoko Uyehara, Kevin Brady, Craig Haberstumpf, Felicia Lu, and Thomas Thornton. I also thank all the students who have taken my principles courses. Their comments, body language, and facial expressions provided cues to whether my concept explanations and applications were clear and provided guidance on how to approach these topics in the book.

I am thankful to have a friend and colleague in Vicky Chiu-Irion of Honolulu Community College, who has contributed to the new edition in more ways than I can adequately describe. In addition to her eagle eye for detail, she provided many new examples used in this edition and class-tested new features in LaunchPad. Vicky’s support on this edition was indispensable.

I am very grateful to Debbie Evercloud of University of Colorado at Denver and Varun Gupta of Wharton County Junior College for inspiring me to introduce the Around the World feature in this edition and for providing excellent reviews on drafts. I also thank Venoo Kakar of San Francisco State University for her valuable reviews.

I also want to thank Thomas Dunn for his tireless examination of every set of page proofs and various LaunchPad resources. Despite dozens of eyes that have read through manuscript and proofs, Thomas still managed to catch errors that none of us want to see in the final product.

A huge debt of gratitude is owed to Lindsay Neff and the supplements authors. Lindsay did a remarkable job to get the best people to author the supplements. They include Jane Himarios of the University of Texas at Arlington who managed the revision of the Test Bank, Albert J. Sumell of Youngstown State University and Dixie Button of Trident Technical College who revised and adapted the former CourseTutor into a new digital feature within LaunchPad, and Solina Lindahl of California Polytechnic University–San Luis Obispo for coordinating the pedagogical resources available to instructors. I would also like to thank Ting Levy, Tamika Steward, Enrique Valdes, Heather Luea, Brian Lynch, Katie Lotz, Mary Lesser, Winnie Lee, Kevin Beckwith, Beth Haynes, Karl Geisler, Greg Gilpin, Jan Wolcutt, Jackie Lindo, Scott Hegerty, Jesse Liebman, Kristen Zaborski, Varun Gupta, Sue Stockly, and Venoo Kakar for the development of materials for LaunchPad for this new edition. The fourth edition came together into a cohesive set of instructor and student resources because of their efforts.

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I owe a significant debt to the team of technology specialists who created many fascinating digital resources for Economics, Fourth Edition. I thank Tom Acox for his instrumental role in the development and management of the online resources, especially LaunchPad. There has been more than one occasion when a situation with my class required immediate attention, and Tom was always available, day and night, to resolve the problem. He truly exemplifies his title as director of customer experience.

I am truly indebted to Jeremy Brown, who over the years has taught me the tools and tricks of digital technology that have become indispensable in today’s media-driven world. These tools include video editing, animation, and other visual effects, creating a professional Web site, and maximizing the effectiveness of social media. Whenever I have a technology-related question, I can count on Jeremy for an answer. His influence has given me the confidence to use cutting-edge technology to its maximum potential to the benefit of the Economics, Fourth Edition, suite of resources.

The production team at Worth is truly the best in the industry. My heartfelt thanks go to the entire team, including Vicki Tomaselli, senior designer, for creating a fantastic set of interior and cover designs; Jodi Isman, senior project editor, for skillfully managing the copyediting and proofing of the book; Stacey Alexander, production manager; Matthew McAdams, art manager, for creating beautiful figures and graphs; Patti Brecht for her superb copyediting; photo editors Christine Buese and Donna Ranieri for their immense efforts at finding and obtaining rights to the hundreds of photos used in the book; Tracey Kuehn, director, content management enhancement; and Lisa Kinne, managing editor. Each of these individuals made sure each part of the production process went smoothly. Thank you very much for a job well done.

I am very thankful to Charles Linsmeier, vice president, social sciences of Macmillan Learning, who signed me as an author in 2010 and has provided continuous support with each edition. I thank Shani Fisher, publisher, for her determination to broaden the appeal of the textbook to the wider market. I also thank Carlise Stembridge, editor, for her tireless efforts in ensuring that the textbook meets the needs of today’s instructors and students. She is always interested in hearing feedback from the book’s users in order to enhance its ability to improve the learning experience. And I thank Paul Shensa, who has provided valuable advice for many years; his steadfast commitment to the book’s success is truly evident.

There is no one person I can thank more than Bruce Kaplan, senior development editor, who has guided me on the revision of Economics, Fourth Edition, from start to finish. Bruce had a long working relationship with Jerry Stone on his first two editions and was able to provide continuity into the third edition without Jerry’s presence. In fact, in my last conversation with Jerry Stone, he told me to “stick with Bruce; he’s the best and will take you far.” Jerry’s words ring true each time I work with Bruce, who is the best editor and mentor an author can have. My working relationship with Bruce has continued to be productive and efficient through the fourth edition. As a night owl, I would send Bruce drafts of chapters in the wee hours of the morning, only to have him (as an early riser) read them almost immediately!

You couldn’t ask for a better marketing team than that at Worth. I thoroughly enjoy working with Tom Digiano, marketing manager, who possesses remarkable talent and enthusiasm when developing innovative experiences to current and prospective users. These efforts resulted in many unique conference events, including the annual EconED teaching conference, regional focus group events, campus visits, webinars, and new social media campaigns such as econedactive.com and the Macmillan Community. In early 2016 Tom became an editor of this book, providing a seamless transition from marketing to editorial. I also enjoyed traveling with Tom in the fifth annual Around the World in 80 Hours economics documentary (viewable on YouTube).

Finally, I thank Jerry Stone, a true friend and colleague who put his full trust in me when he offered me the opportunity to take over authorship of CoreEconomics in 2010 and carry the book forward to a new generation of students and instructors with new needs. I wish Jerry were still here to collaborate on the textbook he created so successfully in the first two editions. I will never cease my efforts to make this book a long-lasting legacy of Jerry’s brilliance and dedication to students and instructors.

—Eric P. Chiang