Market mechanisms may be efficient, but they may also change the meaning of the goods exchanged. Should we pay children to read, or pay countries to take our share of refugees? Does having tradable refugee quotas commodify people? Introducing cash incentives or market mechanisms can serve or harm society. Sandel’s panel of students—as well as INET President Rob Johnson, LSE Director Minouche Shafik, Judge Richard Posner, and economist Dambisa Moyo—weigh in.