In November 2011, three Pakistan players were jailed for accepting money to deliberately bowl "no balls" in a Test match against England.

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But a number of systems have been fielded that test the "liveness" of the fingerprint before accepting it, Wayman said, and the technology could be incorporated into existing systems.

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The exams test your knowledge of such things as how to calculate the duration of a bond and the ethics of accepting a stock tip.

FORBES: Analysts for the world