During the past two decades, the number of charitable foundations in the United States has doubled, while the value of their assets has increased more than 1,100%. Foundations now hold over $330 billion in assets and contribute over $20 billion annually to educational, humanitarian, and cultural organizations of all kinds. No other country in the world can claim such substantial and widespread commitment to philanthropy and volunteerism. But are we, as a society, realizing the full fruits of this commitment?

A version of this article appeared in the November–December 1999 issue of Harvard Business Review.