About the Author

N. Gregory Mankiw is Professor of Economics at Harvard University. David Romer is Herman Royer Professor of Political Economy at the University of California, Berkeley. John Thackara, described as a "design guru, critic and business provocateur" by Fast Company, is the Director of Doors of Perception, a design futures network based in Amsterdam and Bangalore. He is the author of Design after Modernism, Lost in Space: A Traveler's Tale, Winners! How Successful Companies Innovate by Design, and other books. Since 2002, he has authored the Doors of Perception blog and newsletter (http://www.doorsofperception.com/).