When Siemens, for example, faces a thirty-per-cent drop in demand for its products, it is just as tempted as an American firm would be to lay off thirty per cent of its workers.

NEWYORKER: Replay

If you got a thirty day eviction notice, for example, you then had the right of appeal.

NPR: FEMA Backs Off on Gulf Coast Trailer Evictions

For example, 45 percent of consumers under age thirty-four surveyed in the McKinsey report said they spend on personal care products purely for their own enjoyment, compared with 37% of consumers aged 35-65 who said so.

FORBES: Five New Trends of Chinese Consumers

The Manhattan Project, for example, employed more than 130, 000 people at over thirty different sites across North America and Europe.

CNN: Is collaboration the future of invention?

For example, it might buy platinum and sell silver, or buy a thirty-year U.K. bond and sell a ten-year bond.

NEWYORKER: Mastering the Machine

The new film Zero Dark Thirty, about the decade-long search for Osama bin Laden, is the latest example of this phenomenon.

FORBES: Zero Dark Thirty, The Academy Awards, And The Perils Of Disclosure

For example, the UVa study I discussed above employed a widely used, highly validated methodology that identified the thirty factors most significantly correlated to substantial increases in length of hospital stay, hospital charges, and mortality.

FORBES: Why Medicaid is a Humanitarian Catastrophe