The materials in the link below will allow the user to replicate the work presented by Raymond Duch and Dave Armstrong at the ESRC Oxford Spring School, March 30, 2007, University of Oxford. Unzip all files to the same directory and then set the working directory in R to the location of the extracted files.

The file inclass.R gives rather heavily commented code that will guide you through the process used to generate results for the presentation.

• Lecture Slides
• R-Code for Duch and Stevenson Replication
• Sample Countries

If you have any questions, please contact:

Raymond Duch
Nuffield College
Oxford
OX1 1NF
United Kingdom
raymond.duch@nuffield.ox.ac.uk