"When the "sharing economy" launched a decade ago, proponents claimed that it would transform the experience of work-giving earners flexibility, autonomy, and a decent income. It was touted as a cure for social isolation and rampant ecological degradation. But this novel form of gig work soon...

The sharing economy is transforming economies around the world, entering markets for lodging, ride hailing, home services, and other sectors that previously lacked robust person-to-person alternatives. Its expansion has been contentious and its meanings polysemic. It launched with a utopian...