Japan's most powerful known earthquake struck at 2:46p.m. on Friday, March 11, 2011. We study the unusual trading behaviors of individual and foreign investors in Japan during the aftermath of this natural disaster. Individual investors typically show contrarian trading patterns, so the sharp...

Using a large panel data set that samples over 4000 Japanese, we analyze changes in people's subjective well-being (happiness) and altruistic worldview before and after the Great East Japan Earthquake. As a result we find that 1) more people replied that their happiness improved after the...