1. Psychological research sucks.
2. Are humans getting cleverer?
3. Why the $10,000 Apple Watch is a good thing, especially for people who can’t afford it.
4. [O]ur findings suggest that correlations observed in affluent, developed countries between (i) wealth and health or (ii) parental income and children’s outcomes do not reflect a causal effect of wealth.

And no posts this week, although with Robert Frank joining Twitter, here are three book reviews from the vault:

1. The Darwin Economy
2. Passions Within Reason
3. Luxury Fever.