I inspire a contest
That is very helpful. Thanks! I am always trying to find mistakes, omissions, and ambiguities in the book so I can improve the next edition. I look forward to seeing what they come up with.
Random Observations for Students of Economics
I am the Robert M. Beren Professor of Economics at Harvard University, where I teach introductory economics (ec 10). I use this blog to keep in touch with my current and former students. Teachers and students at other schools, as well as others interested in economic issues, are welcome to use this resource.