Difference-in-difference analysis of Melissa Click

And then the other shoe dropped: Last week, UM announced that new pledges and donations in December — a key month for university fundraising — fell $6 million, a decrease of roughly 31 percent. Only the Columbia branch, where the protests took place, suffered these losses. No other UM branch experienced declines. http://www.realclearpolicy.com/blog/2016/03/02/who_fired_melissa_click_free_markets__1572.html