Why don’t people give more to charity? One reason is that the problems will be there whether individuals give or not. Here is a policy--inspired by the matching grants that charities use so effectively--that could actually make a real difference.

The difference in unfunded obligations observed by Professor Chyla is explained by the difference between 75-year and infinite-horizon projections.

Proposition 87 reemphasized that Americans don't want the cost of driving to increase: Aaron Edlin suggests a way to reduce driving that may be more politically palatable.

We study the anticompetitive effects of predatory pricing and the efficacy of three policy responses. In a series of experiments where an incumbent and a potential entrant interact, we compare prices, market structures and welfare. Under a laissez-faire regime, the threat of post-entry price...

From the Publisher: In this valuable resource, more than thirty of the world's top economists offer innovative policy ideas and insightful commentary on our most pressing economic issues, such as global warming, the global economy, government spending, Social Security, tax reform, real estate,...