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WASHINGTON — Income inequality will remain a persistent problem, despite brighter prospects for US companies globally, according to an annual survey of Harvard Business School alumni.

Fifty-eight percent of the respondents said the US economy would either become more competitive or at least hold its ground against other countries over the next three years. In 2011, just 29 percent felt that way.

But only about a third said they expected companies to be able to increase pay and benefits. The wealth disparity alarmed many of the surveyed executives, with 45 percent saying that rising poverty levels could hurt their businesses. The […]