The survey also found some correlation between departments and choice of car. Of 18 respondents in the economics department, eight said they owned luxury cars—one of the highest percentages. . . .
When it comes to intra-faculty vehicular stereotypes, the economics department is known as the one with the flashiest autos. . . .
“I think the economics department likes fairly expensive cars,” Stilgoe says. “They are interested in things that demonstrate financial value.”
Link via Harvard economist Greg Mankiw.