Refer to the input text as context and select the correct relationship between 'Milton Friedman' and 'University of Chicago' from the available options.
Options: operator, business division, employer, chairperson

That's a far cry from the notion, popularised by University of Chicago economist Milton Friedman in the 1960s and 1970s, that "there is one and only one social responsibility of business – to ... increase its profits."
employer