Here's The Characteristic That Sets Self-Made Billionaires Apart From The Rest Of Us

What's the difference between someone who makes $1 million and someone who makes $1 billion? According to John Sviokla and Mitch Cohen, authors of "The Self-Made Billionaire Effect: How Extreme Producers Create Massive Value," it comes down to what the authors call "habits of mind." Sviokla, the head of global thought leadership at Pricewaterhouse Coopers and a former Harvard Business School professor, and Cohen, a vice chairman at PwC, conducted a study of 120 self-made billionaires, randomly...