Jonathan Gruber, an economist at the Massachusetts Institute of Technology who edited a book on the subject for the National Bureau of Economic Research, said it's a frustrating reality of his profession: That those things he knows as facts are disputed by the populace.
"If you polled the average American they probably would think the opposite," he said. "There's a lot of things economists say that people don't get and this is just one of them."
Matt Sedensky, an AP writer on leave, is studying aging and workforce issues as part of a one-year fellowship at the AP-NORC Center for Public Affairs Research, which joins NORC's independent research and AP journalism. The fellowship is funded by the Alfred P. Sloan Foundation and supported by APME, an association of AP member newspapers and broadcast stations.___ Follow Matt Sedensky on Twitter at http://twitter.com/sedensky