Update README.md

boyangusc · Jul 31, 2021 · 3be3708 · 3be3708
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Showing 1 changed file with 4 additions and 4 deletions.
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@@ -65,10 +65,10 @@ Packages installation paths have been split across lines to preverse table forma
 | `fixest` with `sunab()` function | `install.packages` `("fixest")` | [Laurent Bergé](https://sites.google.com/site/laurentrberge/) | [Liyang Sun](http://economics.mit.edu/grad/lsun20), [Sarah Abraham](https://www.cornerstone.com/Staff/Sarah-Abraham#) (2020). [Estimating dynamic treatment effects in event studies with heterogeneous treatment effects](https://www.sciencedirect.com/science/article/abs/pii/S030440762030378X). Journal of Econometrics. | 
 | `TwoWayFEWeights` | `install.packages` `("TwoWayFEWeights")` | [Shuo Zhang](https://github.com/shuo-zhang-ucsb) | Clément de Chaisemartin, Xavier D'Haultfoeuille (2021). [Two-Way Fixed Effects Estimators with Heterogeneous Treatment Effects](https://www.aeaweb.org/articles?id=10.1257/aer.20181169). |
 | `DIDmultiplegt` [not as recent as Stata version] | `install.packages` `("DIDmultiplegt")` | [Shuo Zhang](https://github.com/shuo-zhang-ucsb) | [Two-Way Fixed Effects Estimators with Heterogeneous Treatment Effects](https://www.aeaweb.org/articles?id=10.1257/aer.20181169). |
-| `drdid`   |  `devtools::install_github` `("pedrohcgs/DRDID")`   |  [Pedro H.C. Sant'Anna](https://pedrohcgs.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/pedrohcgs) <br><br> [Jun Zhao](https://www.junbeanzhao.com/) | Pedro H.C. Sant'Anna, [Jun Zhao](https://www.junbeanzhao.com/) (2020). [Doubly robust difference-in-differences estimators](https://www.sciencedirect.com/science/article/abs/pii/S0304407620301901), Journal of Econometrics.  |
-| `did`   |   `install.packages("did")`   | [Pedro H.C. Sant'Anna](https://pedrohcgs.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/pedrohcgs)  <br><br> [Brantly Callaway](https://bcallaway11.github.io/) |  Brantly Callaway, Pedro H.C. Sant'Anna (2020). [Difference-in-Differences with multiple time periods](https://www.sciencedirect.com/science/article/abs/pii/S0304407620303948), Journal of Econometrics.  |
-|	`staggered`	|	`devtools::install_github` `("jonathandroth/staggered")`		|	[Jonathan Roth](https://jonathandroth.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/jondr44), Pedro H.C. Sant'Anna (2021)		|	[Jonathan Roth](https://jonathandroth.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/jondr44), Pedro H.C. Sant'Anna (2021) [Efficient Estimation for Staggered Rollout Designs](https://arxiv.org/pdf/2102.01291.pdf)	|
-| `did2s` |  `devtools::install_github` `("kylebutts/did2s")`     |  [Kyle Butts](https://kylebutts.com/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/kylefbutts) | [John Gardner](https://jrgcmu.github.io/) (2021). [Two-stage differences in differences](https://jrgcmu.github.io/2sdd_current.pdf). <br><br> [Kirill Borusyak](https://sites.google.com/view/borusyak/home) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/borusyak), [Xavier Jaravel](https://www.lse.ac.uk/economics/people/faculty/xavier-jaravel) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/XJaravel), [Jann Spiess](https://www.gsb.stanford.edu/faculty-research/faculty/jann-spiess) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/jannspiess) (2021). [Revisiting Event Study Designs: Robust and Efficient Estimation](https://www.google.com/url?q=https%3A%2F%2Fwww.dropbox.com%2Fs%2Fy92mmyndlbkufo1%2FDraft_RobustAndEfficient.pdf%3Fraw%3D1&sa=D&sntz=1&usg=AFQjCNGGDRt4xPz3hCXhTWxchHJWh-1m_Q) <br><br> Liyang Sun, Sarah Abraham (2020). [Estimating dynamic treatment effects in event studies with heterogeneous treatment effects](https://www.sciencedirect.com/science/article/abs/pii/S030440762030378X). Journal of Econometrics. <br><br> Brantly Callaway, Pedro H.C. Sant'Anna (2020). [Difference-in-Differences with multiple time periods](https://www.sciencedirect.com/science/article/abs/pii/S0304407620303948), Journal of Econometrics. <br><br> [Jonathan Roth](https://jonathandroth.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/jondr44), Pedro H.C. Sant'Anna (2021) [Efficient Estimation for Staggered Rollout Designs](https://arxiv.org/pdf/2102.01291.pdf). |
+| `drdid`   |  `devtools::install_github` `("pedrohcgs/DRDID")`   |  [Pedro H.C. Sant'Anna](https://pedrohcgs.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/pedrohcgs) <br><br> [Jun Zhao](https://www.junbeanzhao.com/) | [Pedro H.C. Sant'Anna](https://pedrohcgs.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/pedrohcgs), [Jun Zhao](https://www.junbeanzhao.com/) (2020). [Doubly robust difference-in-differences estimators](https://www.sciencedirect.com/science/article/abs/pii/S0304407620301901), Journal of Econometrics.  |
+| `did`   |   `install.packages("did")`   | [Pedro H.C. Sant'Anna](https://pedrohcgs.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/pedrohcgs)  <br><br> [Brantly Callaway](https://bcallaway11.github.io/) |  Brantly Callaway, [Pedro H.C. Sant'Anna](https://pedrohcgs.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/pedrohcgs) (2020). [Difference-in-Differences with multiple time periods](https://www.sciencedirect.com/science/article/abs/pii/S0304407620303948), Journal of Econometrics.  |
+|	`staggered`	|	`devtools::install_github` `("jonathandroth/staggered")`		|	[Jonathan Roth](https://jonathandroth.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/jondr44)  Pedro H.C. Sant'Anna (2021)		|	[Jonathan Roth](https://jonathandroth.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/jondr44), [Pedro H.C. Sant'Anna](https://pedrohcgs.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/pedrohcgs) (2021) [Efficient Estimation for Staggered Rollout Designs](https://arxiv.org/pdf/2102.01291.pdf)	|
+| `did2s` |  `devtools::install_github` `("kylebutts/did2s")`     |  [Kyle Butts](https://kylebutts.com/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/kylefbutts) | [John Gardner](https://jrgcmu.github.io/) (2021). [Two-stage differences in differences](https://jrgcmu.github.io/2sdd_current.pdf). <br><br> [Kirill Borusyak](https://sites.google.com/view/borusyak/home) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/borusyak), [Xavier Jaravel](https://www.lse.ac.uk/economics/people/faculty/xavier-jaravel) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/XJaravel), [Jann Spiess](https://www.gsb.stanford.edu/faculty-research/faculty/jann-spiess) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/jannspiess) (2021). [Revisiting Event Study Designs: Robust and Efficient Estimation](https://www.google.com/url?q=https%3A%2F%2Fwww.dropbox.com%2Fs%2Fy92mmyndlbkufo1%2FDraft_RobustAndEfficient.pdf%3Fraw%3D1&sa=D&sntz=1&usg=AFQjCNGGDRt4xPz3hCXhTWxchHJWh-1m_Q) <br><br> Liyang Sun, Sarah Abraham (2020). [Estimating dynamic treatment effects in event studies with heterogeneous treatment effects](https://www.sciencedirect.com/science/article/abs/pii/S030440762030378X). Journal of Econometrics. <br><br> Brantly Callaway, [Pedro H.C. Sant'Anna](https://pedrohcgs.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/pedrohcgs) (2020). [Difference-in-Differences with multiple time periods](https://www.sciencedirect.com/science/article/abs/pii/S0304407620303948), Journal of Econometrics. <br><br> [Jonathan Roth](https://jonathandroth.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/jondr44), [Pedro H.C. Sant'Anna](https://pedrohcgs.github.io/) [<img width="12px" src="https://cdn.jsdelivr.net/npm/simple-icons@v5/icons/twitter.svg" />](https://twitter.com/pedrohcgs) (2021) [Efficient Estimation for Staggered Rollout Designs](https://arxiv.org/pdf/2102.01291.pdf). |