Motivated employees get more out-of-role work, even when it costs bonuses

A decade ago, when working as a junior analyst in a Chicago marketing firm, Sangah Bae was winding down her workday, hoping to make a happy hour with her colleagues. At 4:30 p.m., her manager rushed to her desk with a request to do just one more thing before she wrapped up for the day. "She threw me this report that I needed to get done before I headed out, and for sure it wasn't going to be done in half an hour," she said.