One of the most disturbing facts about American marriage today is that while divorce increased at similar rates for the wealthy and the poor in the 1960s and ’70s, those rates diverged sharply starting around 1980. According to the sociologist Steven P. Martin, among Americans who married between 1975 and 1979, the 10-year divorce rate was 28 perce

Of course it could also be because interest rates are too high, in which case rising income inequality would, presumably by increasing the total amount of savings, cause interest rates to drop. In that case there might indeed be an increase in total productive investment.

Conservative social scientist Charles Murray’s 2006 book In Our Hands: A Plan to Replace the Welfare State argues that a guaranteed income would be likely to make non-college-educated men more attractive marriage partners.