This folder contains replication material for the article 
"Contingent Valuation: how opportunity costs influence the stated willingness to pay"
by Ulrich B. Morawetz und Dieter B. Koemle 

The replication can be done using the code provided in the file "Replication_code_v008.R" 
The code is written in the software R (which is freely available from www.r-project.org) and the file can be opend with any text editor. Please follow the instruction given in file.

The code allows: 
* replication of the simulations shown in the online appendix of the paper
* replication of the figures
* replication of the analysis of the data of Bishop et al. (2017) shown in the main text
