Posts Tagged ‘positive externality’

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    Smog-Eaters

    Mar 2, 11 • 797 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 • 598 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 • 565 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]

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    Environmental Dilemmas

    Nov 2, 10 • 669 Views • No Comments

    It’s the same question. Economic development or conservation? During April, the headline said, “Uganda Seeks to Reconcile Oil-Nature.” Now, in Tanzania, “Proposed Serengeti Highway Is Lined With Prospects and Fears.” The places......  [read more]

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    Obesity Concerns

    Sep 25, 10 • 617 Views • No Comments

    The new vending machine at a Mason, Ohio high school only sells carrots. At 50 cents a bag, “they are selling like hotcakes”. Is it because the baby carrot video ads are amazing or that no other vending machine works during school hours? This......  [read more]