from The New York Times:

The Charitable-Giving Divide

With the battle over whether to extend the Bush tax cuts for the wealthy shaping up as the major political event of the fall, opponents of repeal were handed a bounteous gift this summer when Bill Gates, Warren Buffett and 38 others announced that they formed a pact to give at least half their wealth to charity. After all, what better illustration could there be of the great social good that wealthy people can do when the government lets them keep their hard-earned dollars to spend as they please?

The problem is that the exceptional philanthropy of the superwealthy few doesn’t apply to the many more people defined as rich in the current debate over the Bush tax cuts – individuals earning over $200,000 and couples with revenues over $250,000. For decades, surveys have shown that upper-income Americans don’t give away as much of their money as they might and are particularly undistinguished as givers when compared with the poor, who are strikingly generous. A number of other studies have shown that lower-income Americans give proportionally more of their incomes to charity than do upper-income Americans