STATA

REPRESENTATION.ADO implements the Pendakur, Pendakur, and Woodcock (2008) representation index

SEVERITY.ADO implements the Pendakur, Pendakur, and Woodcock (2008) severity index

MATLAB

FELOGIT.M implements a binary logit with a one-dimensional fixed effect in MATLAB. Contributed to the MATLAB Econometrics Toolbox. Download zip file

MULTILOGIT.M implements a multinomial logit in MATLAB. Contributed to the MATLAB Econometrics Toolbox. Download zip file

SAS

CLOGIT.SAS implements a conditional logit in SAS IML. Download zip file