Jonathan Gruber, an economist at the Massachusetts Institute of Technology, says his research shows that “regular religious participation leads to better education, higher e and a lower chance of divorce. His results (based on data covering non-Hispanic white Americans of several Christian denominations, other faiths and none) imply that doubling church attendance raises someone’s e by almost 10%.” The article linked above gives a good overview of Gruber’s methods, and touches on some related ideas in the history of economics,...