When the Affordable Care Act (ACA) was first introduced, some critics claimed it would erode employer-sponsored health insurance. Many companies would find it cheaper to discontinue in-house plans, knowing their workers could simply move onto public exchanges, the argument went. And to the extent the shift involved low-income workers, there was concern that the government would end up subsidizing many new entrants. It has not turned out that way – at least so far. But Mark Pauly, a Wharton professor of health care management, says the long-term picture is “murkier, and depends greatly on how creative workers and firms are in responding to the incentives of the ACA.” In this Knowledge at Wharton video interview, he looks at how many workers may eventually get shifted onto public plans. An edited transcript of the conversation appears below. Knowledge at Wharton: The title of your new briefing paper asks, “ Is There a Future for Employer Sponsored Health Care?…