But as women's roles changed, marriage became more about companionship, according to research by two University of Michigan economists, Betsey Stevenson and Justin Wolfers.

但根据密歇根大学的两位经济学家史蒂芬·贝森和贾斯汀·沃尔弗斯的研究，随着女性角色的转变，婚姻变得更像一种伙伴关系。

youdao

That was the question which a team of researchers led by Jim Stevenson of the University of Southampton, in Britain, set out to answer.

针对这个问题，英国南安普顿学院的吉姆?斯蒂文森所带领的研究小组开始着手寻找答案。

youdao

Betsey Stevenson is a business and public policy researcher at the Wharton School of the University of Pennsylvania.

VOA: special.2010.03.04

Leslie Stevenson directs the Career Development Center at the University of Richmond in Virginia.

VOA: special.2011.05.13

" The Ambitious Generation: America's Teenagers, Motivated But Directionless", by Barbara Schneider and David Stevenson, Yale University Press, 1999.

ECONOMIST: A survey of the young

In 2008, economists Justin Wolfers and Betsey Stevenson, both of the University of Pennsylvania, published a paper where they reassessed the Easterlin paradox using new time-series data.

FORBES: Jeff Sachs and the Economics of Happiness

Betsey Stevenson, an economist at the University of Pennsylvania's Wharton School and former chief economist at the U.S. Labor Department, said that for some women, greater career ambition means less free time and a decline in overall happiness.

WSJ: Women Set New Goals for Careers and Lives