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Identification for difference in differences with cross-section and panel data
Lee, Myoung-jae, (2006)
Effects of ability mixing in high school on adulthood earnings : quasiexperimental evidence from South Korea
Kang, Changhui, (2007)
Performance of various estimators for censored response models with endogenous regressors
Kang, Changhui, (2010)