Why does the interloper effect signal trouble?

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The NATO rebels insist it is an argument about timing, not substance: they say that beefing up Turkey's defences now would send a premature signal that war had, in effect, started.

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But using prestige as the primary (if not sole) signal of educational quality can have a keenly perverse effect on higher education, particularly to the extent that prestige encourages escalating costs.

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That in effect eases monetary policy and is an overt signal from China that it wants its economy to grow and it will accept more commodity imports to achieve its better economic growth.

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In effect, those banks buying gold was a contrarian signal.

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In effect, moving to nominal GDP targets would send a signal that the Bank was determined to get back the nominal growth in the economy that has been lost, even if it is at the cost of pushing inflation above 2% for a sustained period of time.

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In fact, that service should now, finally be candidly recognized: The Washington Times' most signal contribution to its city and the nation beyond has been the cumulative effect of the informed commentary she and her counterparts on the paper's editorial pages have shepherded through the years.

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The red, green and blue components of the signal are fed into three separate high-definition cathode-ray tubes (in effect, fancy black-and-white televisions).

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That would have the same effect as moving the next hole slightly, breaking up the periodic structure that otherwise blocks the signal and thus letting that signal through.

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