Antitrust Law

Horizontal Merger Guidelines, Annotated - A work in progress annotation of the official 2010 Horizontal Merger Guidelines to provide additional information and functionality for researchers and antitrust practitioners. Maintained and edited by Sean Sullivan.

Experimental Economics

VeconLab Software Suite - A large collection of online experiment software maintained by Charles Holt.

Statistical Tools

These are small tools I've written for my own convenience. They come "as is," with no warranty of any kind, either express or implied.

Python PermStat - a small Python permutation test library
Program Details
  1. One-sample tests:
    • Fisher's permutation test
    • Wilcoxon's signed-rank test
  2. Two-sample tests:
    • Pitman's permutation test
    • Wilcoxon-Mann-Whitney rank-order test
2011 Discussion-Group Presentation
Requires Python
Run - a tiny shell script to execute R scripts in Linux
Program Details
To use, just save the script as "Run" somewhere in the OS path, then execute R scripts by passing the script name as an argument to "Run" (i.e. $ Run script_name.R). Any generated plots will be saved to a binder in the working directory.
Unix/Linux Shell