Using a method of uncovering discrimination well known in economics, David Neumark, an economist at the University of California, Irvine, led a study that sent out 40,000 fake résumés to employers who had posted openings. Some résumés suggested the applicants’ age, while others didn’t. Mr. Neumark and his co-authors found that résumés suggesting an applicant was 64 to 66 years old got a response 35 percent less often than résumés suggesting that the applicant was 29 to 31.

For the full story, please visit http://www.nytimes.com/2016/08/18/upshot/as-more-older-people-seek-work-they-are-put-into-old-person-jobs.html?_r=0.