Girl: So…what’s the difference between Rent-Seeking and Free-Loading?
Prof: Umm…..that’s….a good question, I don’t know how to answer that…[silence, thinking] I’ll have to think about it
Class: [laughter]
Prof: And you get an F for asking something I don’t know how to answer
Class: [more laughter]
Prof: And you all get D’s for laughing

—Burnside, Poli 345