Column: Personal choices largely decide household earnings



A century ago, most Americans married young and locally, with education playing a much smaller role.

It is fair to conclude this double trilogy on income inequality with a brief review of some new research on the future of social mobility. I warn you, gentle reader, this topic might be unnerving.

A century ago, most Americans married young. Their associations were local, and marriages tended to be of people who were alike in race, religion, culture and geography.

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