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.