贴一个支持OPT STEM的论据，STEM创造Local工作岗位

http://www.innovationfiles.org/what-creates-jobs-welcoming-stem-workers/
In fact, the Bay Area Council’s study finds that every one job in the high-tech sector—defined as those most closely related to science, technology, engineering, and math (STEM) fields—leads directly to 4.3 jobs in local goods and services industries across all income groups, including lawyers, dentists, schoolteachers, cooks and retail clerks. 、
这个4.3的数据我已经用过了，大家最好去下面这个报告里找点其他的！

信息数据报告在这里
http://documents.bayareacouncil.org/TechReport.pdf