For a long list of investment "biases," including lack of diversification, excessive trading, and the disposition effect, we find that genetic differences explain up to 45% of the remaining variation across individual investors, after controlling for observable individual characteristics. The...

The precautionary principle (PP) has sometimes been invoked to justify a ban on GM crops. This justification, however, takes credit for reducing potential public health and environmental risks that might result from a ban but ignores any blame for risks that the ban might generate or prolong....