Transportation Research Part A General · 1987 · 94 citations · 10 references
Social SciencesBiostatisticsEconometricsData AnalysisData InterpretationMeasurement ErrorPanel Data AnalysisPanel Data MethodsSelection BiasAttrition AdjustmentAttrition BiasBiasesMissing Data In PanelsPanel Attrition Bias AnalysisPanel Data EndogeneityPanel Data Estimation
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Sample Selection Bias as a Specification Error
James J. Heckman · Econometrica · 1979 · 28.9K citations
Biases in response over time in a seven-day travel diary
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