Professor Lucy Dobbs of the School of Industrial and Labor Relations recently wrote that chain stores weaken local economies. Compared to chain stores, local businesses spend 6 percent more on hiring local workers. Local charities report significantly higher donations from local businesses. In one town, United Way received most of its income from two local groceries, a hometown bank, and a handful of local specialty shops.

Which sentence best describes the quality of the evidence in the passage?

The evidence in the passage is limited but suggestive of a positive relationship between local businesses and the local economy.