The loss of the middle class may have helped dollar stores, but financial analyst say those chains will need things to get worse if they really want to thrive. “What the dollar stores are betting on in a large way is that we are going to have a permanent underclass in America,” Garrick Brown, director for retail research at the commercial real estate company Cushman & Wakefield, told Bloomberg. “It’s based on the concept that the jobs went away, and the jobs are never coming back, and that things aren’t going to get better in any of these places.”