
 The files in this ZIP archive contain the code and data for replication of the article 
 "Credibility of propensity score matching estimates. An example from Fair Trade certification of coffee producers"
 by Nicolas Lampach and Ulrich B. Morawetz published in "Applied Economics"
 
 The code is written in the software R.
 You can open the files 
 "Lampach_Morawetz_2014_Replication_R_code_v024.R"
 and 
 "Lampach_Morawetz_2014_functions_v003.R"
  with any text editor. Further instructions on how to apply the code are given in the files.
 

 The data 
  "Jena_etAl_LampachMorawetz.dta" 
  is saved in STATA fromat which is imported into R as part of the code.
 
