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The original research accounted for the effect of the audition year. http://www.nber.org/papers/w5903.pdf http://www.nber.org/papers/w5903.pdf
by argonaut 10y ago
The original research accounted for the effect of the audition year. http://www.nber.org/papers/w5903.pdf http://www.nber.org/papers/w5903.pdf