Personensuche
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6
Sex-Based Differences in School Content and the Male/Female..
NBER working paper series, no. w5580
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9
Measurement Error In Cross-Sectional and Longitudinal Labor..
NBER working paper series, no. w2884
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15
Military Enlistments: What Can We Learn From Geographic Var..
NBER working paper series, no. w1261