A major finding from research into the sources of subjective well-being is that individuals exhibit a "baseline" level of happiness. We explore the influence of genetic variation by employing a twin design and genetic association study. We first show that about 33% of the variation in happiness...

Research on happiness has produced valuable insights into the sources of subjective well-being. A major finding from this literature is that people exhibit a baseline happiness that shows persistent strength over time, and twin studies have shown that genes play a significant role in explaining...

Research on happiness has produced valuable insights into the sources of subjective well-being that are of importance to economics. A major finding from this literature is that people exhibit a 'baseline' level of happiness that shows persistent strength over time. Here we explore the extent to...