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Certifiable

Julian Sanchez | 8.25.2003 3:51 AM

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NBER's August digest lists a March working paper examining the effect of teacher certification, mandatory for public school teachers in most states. They found that, while it has no measurable effect on teacher quality, it does tend to push up salaries. Call this one an illustration of the law of intended consequences.

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Julian Sanchez is a contributing editor at Reason.

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