Via Yglesias— a nice demonstration that correlation is not causation. A Finnish researcher has found that there is a small but robust inverse correlation between GDP and average penis size.  Policymakers take note:

The GDP maximizing size is around 13.5 centimetres, and a collapse in economic development is identified as the size of male organ exceeds 16 centimetres.

Note that the correlation is inverse, so the worst thing to do in a recession is answer penis enlargement e-mails.