|写作类型：||全部 Argument Issue|
|出题年份：||全部 2016 2014 2012|
|话题分类：||全部 教育学习 科技传媒 社会行为 政治历史 艺术文化 法律个人 机构领域 城市 商业 生活 健康 安全 环境 交通 动物 考古|
The following appeared as part of an article in a Dillton newspaper.
"In an effort to bring new jobs to Dillton and stimulate the city's flagging economy, Dillton's city council voted last year to lower the city's corporate tax rate by 15 percent; at the same time, the city began offering generous relocation grants to any company that would move to Dillton. Since these changes went into effect, two new factories have opened in Dillton. Although the two factories employ more than 1,000 people, the unemployment rate in Dillton remains unchanged. The only clear explanation for this is that the new factories are staffed with out-of-town workers rather than Dillton residents."
Write a response in which you discuss one or more alternative explanations that could rival the proposed explanation and explain how your explanation(s) can plausibly account for the facts presented in the argument.