10.25384/SAGE.7679636.v1 Paul D. Allison Paul D. Allison SAS_code_for_Asymmetric_Fixed_Effects_Models_for_Panel_Data – Supplemental material for Asymmetric Fixed-effects Models for Panel Data SAGE Journals 2019 causal inference first difference fixed effects generalized least squares panel data 2019-02-04 12:00:00 Dataset https://sage.figshare.com/articles/dataset/SAS_code_for_Asymmetric_Fixed_Effects_Models_for_Panel_Data_Supplemental_material_for_Asymmetric_Fixed-effects_Models_for_Panel_Data/7679636 <p>Supplemental material, SAS_code_for_Asymmetric_Fixed_Effects_Models_for_Panel_Data for Asymmetric Fixed-effects Models for Panel Data by Paul D. Allison in Socius</p>