Utilize the input text as a context reference, choose the right relationship between Dean Yang and University of Michigan from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Dean Yang of the University of Michigan has shown that families responded by pulling their children out of jobs and sending them back to school.

Answer: employer