Posts Tagged ‘marginal analysis’

  • NYC Taxicabs, Tips and Credit Cards

    Marginal Analysis: How Much to Tip?

    Jun 7, 13 • 334 Views • No Comments

    On Wednesday, I entered a cab on 55th Street near 5th Ave. in NYC. Although I was going to 30th St., the driver proceeded west and then north because it was illegal to make a left onto 5th and head south. Trying to make a right on 6th, a right on 56th and...  [read more]

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    Marginal Analysis: The Math of the Movies

    May 8, 13 • 1036 Views • No Comments

    During an interview at the Nantucket Film Festival last summer, film writer/director Nancy Meyers (It’s Complicated and Something’s Gotta Give) said she was having a tougher time getting scripts approved. It was apparent that she preferred the...  [read more]

  • 19th Century Urban Transport Was An Environmental Problem

    A Pollution Tale With 2 Happy Endings

    Aug 10, 12 • 334 Views • No Comments

    Sometimes green incentives can have unintended consequences. Our story begins in an airport. About to board a flight, an environmentally concerned individual purchases “carbon offsets.”  Yes, that flight will pollute the air but the offset could...  [read more]

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    Starbucks and the Clover

    Sep 15, 10 • 294 Views • No Comments

    I just had a Starbucks grande coffee from their $11,000 Clover coffee machine. It was very good. Because the Clover makes individual cups, Starbucks can let the customer choose the bean. More choice, elite beans, and you have a recipe for higher prices....  [read more]

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    Wind Farms

    Aug 2, 10 • 303 Views • No Comments

    What if peak wind for your wind farm equals peak demand? Good? Not necessarily. The key is timing. According to a NY Times article, certain wind installations have to “dump energy late at night…” because there is no demand for power at...  [read more]