Links this week:

1. Does public policy promote obesity? This month’s Cato Unbound on whether public policy can stop obesity could be interesting when the discussion begins, but the response essays so far have generally talked past each other.
2. Three links via Tyler Cowen. New cars fake their engine noise. People turn down high-cost low-value treatments when they can pocket part of the savings. The right won the economics debate; left and right are just haggling over details.
3. The Dunning-Kruger Peak of Advertising.
4. Chickens prefer beautiful humans. So much for the subjectivity of beauty.
5. Default retirement savings in Illinois.

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