Archive | April, 2012

Solving Traffic Congestion

If a stretch of highway is often congested, we should add another lane to increase capacity. Wrong. In “The Fundamental Law of Road Congestion: Evidence from U.S. Cities,” researchers show any increased capacity from additional roads is temporary.  Traffic increases to fill the added capacity.  The study’s startling findings include: The number of vehicle-kilometers traveled…

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Timing a Ticket

When is the best time to buy an airplane ticket? As a frequent traveler, experience has taught me that the best time is mid-week.  Flights always seem to be more expensive over the weekend.  I like to book flights on Tuesdays. A recent article in the Wall Street Journal supports my intuition.  The Journal used the…

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