To cite package ‘etwfe’ in publications use: McDermott G (2024). _etwfe: Extended Two-Way Fixed Effects_. R package version 0.4.0, . A BibTeX entry for LaTeX users is @Manual{, title = {etwfe: Extended Two-Way Fixed Effects}, author = {Grant McDermott}, year = {2024}, note = {R package version 0.4.0}, url = {https://github.com/grantmcdermott/etwfe}, }