In 2017, “The Big Three” institutional investors launched campaigns to increase gender diversity on corporate boards. We estimate that their campaigns led firms to add at least 2.5 times as many female directors in 2019 as they had in 2016, accounting for most of the increase in board gender...

In 2017, "The Big Three" institutional investors launched campaigns to increase gender diversity on corporate boards. We estimate that their campaigns led American corporations to add at least 2.5 times as many female directors in 2019 as they had in 2016. Firms increased diversity by...