The Econometric SocietyEconometrica: Nov 1980, Volume 48, Issue 7
Notes and Comments: A Least Squares Correction for Selectivity Bias
https://doi.org/0012-9682(198011)48:7<1815:ALSCFS>2.0.CO;2-7
p.
1815-1820
Randall J. Olsen
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p.
1815-1820
Randall J. Olsen