Competitive Pricing of Substitutes in Transportation

Nate Silver has an interesting, if partial, analysis of statistics comparing modes of transportation based on the National Household Travel Survey. He wonders why Americans prefer to drive long distances than fly, and calculates the costs to be generally cheaper if one flies. Today the Poughkeepsie Journal did the same thing for the costs of […]

The Impact of the Daylight Saving Time Change on Traffic Accidents

It seems to me that accidents would increase during the transitional period surrounding the switch between Standard Time and Daylight Saving Time. And apparently others have asked this question, and looked at the data to see if what effect the transition has. The paper Daylight Savings Time and Traffic Accidents, with related discussion of the […]


This morning I heard a piece on the radio about scooter sales in New York City. One of the comments piqued my interest. [The owner of Vespa SoHo, Zachary] Schieffelin says he hopes this means New York will start to look more like London or Rome — the streets buzzing with as many scooters as […]