DISCUSSION PAPER SERIES IZA DP No. 12687 Matthew Neidell Shinsuke Uchida Marcella Veronesi Be Cautious with the Precautionary Principle: Evidence from Fukushima Daiichi Nuclear Accident OCTOBER 2019 Any opinions expressed in this paper are those of the author(s) and not those of IZA. Research published in this series may include views on policy, but IZA takes no institutional policy positions. The