The American Dream, Quantified at Last

… These days, people are arguably more worried about the American dream than at any point since the Depression. But there has been no real measure of it, despite all of the data available. No one has known how many Americans are more affluent than their parents were — and how the number has changed. …

The beginnings of a breakthrough came several years ago, when a team of economists led by Raj Chetty received access to millions of tax records that stretched over decades. The records were anonymous and came with strict privacy rules, but nonetheless allowed for the linking of generations.

The resulting research is among the most eye-opening economics work in recent years. CONT.

David Leonhardt, New York Times