"[A] magnificent history of money and finance."--New York Times Book Review“Convincingly makes the case that finance is a change-maker of change-makers.”--Financial TimesIn the aftermath of recent financial crises, it's easy to see finance as a wrecking ball: something that destroys fortunes...

This study shows that U.S. individual investors hold under-diversified portfolios, where the level of under-diversification is greater among younger, low-income, less-educated, and less-sophisticated investors. The level of under-diversification is also correlated with investment choices that...