Posts Tagged ‘positive externality’

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    Vaccine Dilemmas

    Jul 22, 11 • 273 Views • No Comments

    Let’s try to make one federal budget decision. Who should receive the meningococcal vaccine? Debating the issue, we should be sure to remember pharmaceutical companies, the vaccine’s recipients, the cost of each shot, who gets the disease, the...  [read more]

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    The Crawler

    Jun 1, 11 • 280 Views • No Comments

    The fuel economy window sticker for this vehicle would say 1 gallon per 32 feet. Called the crawler, it travels on a roadway 3.5 miles long, could carry 18 million pounds, and moves no faster than 2 mph. The crawler takes the space shuttle to its launchpad....  [read more]

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    Smog-Eaters

    Mar 2, 11 • 401 Views • No Comments

    What if someone had invented “smog-eating” concrete roof tiles? And, what if these tiles consumed enough smog to offset one car’s nitrous oxide emissions during one year (10,800 miles of driving)? Telling us that a firm in California has...  [read more]

  • Uncertainty can slow economic growth.

    Watson Wins

    Feb 18, 11 • 283 Views • No Comments

    Playing against Jeopardy champs Ken Jennings and Brad Rutter, Watson, the IBM computer won. Imagine three podiums. One is labeled Ken, the middle one Watson, and the third one, Brad. IBM assured everyone that Watson had no internet access and all three...  [read more]

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    Grandma and the City

    Jan 31, 11 • 255 Views • No Comments

    In the U.S. 81% of us live in a city. Saying that cities generate more wealth, productivity and innovation, Brookings’ Research Director Alan Berube and Harvard’s Edward Glaeser applaud urbanization. In China, though, Grandma might not be so...  [read more]