Jeffrey Pfeffer of Stanford Business School is an exception to this rule.

ECONOMIST: Why some people have power over companies and others don��t

Jeffrey Pfeffer, of Stanford University, studies workplaces extensively and says such added benefits are only useful where there's a positive corporate culture that values employees and rewards their work beyond just food and nap pods.

FORBES: Careers

Jeffrey Pfeffer is the Thomas D.

FORBES: The Essentials Of Staying In Power