On Cheap Wine: The Best Post Steven Levitt Has Ever Made

At his Freakonomics blog, Steven Levitt explains a small test at Harvard he conducted regarding the difference in cheap wines versus expensive wines. Interesting results. In addition to the insight on wines, and I don't want to give away the ending, but I think it also punches a bit of a hole into the usefulness of polling and questionnaires in empirical studies.

Levitt's story and results are here.