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These CSV files are all generated by undidR package functions. The
data processed by undidR::undid_stage_two() (the
filled_diff.csv files and the trends_data.csv files) comes from the
college enrollment and merit aid data from Conley and Taber (2011). The
original data is publicly available:
https://economics.uwo.ca/people/conley_docs/code_to_download.html
The original data includes the following variables: -
coll: Binary indicator for college enrollment (outcome
variable) - merit: Binary indicator for merit program
(treatment variable) - male: Binary indicator for male
students - black: Binary indicator for Black students -
asian: Binary indicator for Asian students -
year: Year of observation - state: State
identifier
If you use this data, please cite:
Conley, Timothy G., and Christopher R. Taber. “Inference with”difference in differences” with a small number of policy changes.” The Review of Economics and Statistics 93.1 (2011): 113-125.
Karim, Sunny, Matthew D. Webb, Nichole Austin, and Erin Strumpf. “Difference-in-Differences with Unpoolable Data.” arXiv preprint arXiv:2403.15910 (2024).
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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