In fact, many companies experience stock price declines when women are added to the board of directors, Bloomberg points out.

Kaisa Snellman, an assistant professor of organizational behavior at INSEAD business school and a co-author of the study said: “Shareholders penalize these companies, despite the fact that increased gender diversity doesn’t have a material effect on a company’s return on assets. Nothing happens to the actual value of the companies. It’s just the perceptions that change.” 



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