A large and growing body of academic research suggests there are market anomalies that can be exploited to beat a strict index approach. Some of that research has been recognized with Nobels in economic science - William F. Sharpe in 1990 and Eugene F. Fama in 2013.

As a global disrupter, Uber is no stranger to conflict, and its instinct has always been pugilistic.

A major way that losses are generated in real estate ventures is through depreciation, which is supposed to reflect the way that assets lose value over time. But a well-maintained building typically gains value.

Almost everyone agrees that corporate tax rates need to be cut because of global competition. Companies should not be able to stash earnings overseas tax-free.

I'm a venture capitalist. I like to say my job is to help and support entrepreneurs. I can play a leadership role, but my organization can't be the leader.

Mary Jo and I have three teenagers who are in their last years at home. In addition, I was just offered and accepted a position with Williams College as a visiting lecturer on leadership beginning in February 2017, and anticipate accepting other academic positions shortly.

If I made a commitment, I stood by that commitment - and try to make it real. Because when you become leaders, the most important thing you have is your word, your trust. That's where respect comes from.

My first real experience of ambition was as party leader. It was my ambition for Labour to win, in which event I would be prime minister.