What an Air Quality Index Really Measures

While the Air Quality Index (AQI) is a pollution yardstick, it also can signal if we are controlling the tragedy of the commons.

French Bicycles, Plymouth Plantation, and the Commons

According to a recent NY Times article (10.31.09), the Parisian bicycle sharing program has experienced considerable vandalism. Although the article attributed the damage to gangs of unhappy immigrant youths, I wondered whether the tragedy of the commons was relevant. More…