- Differene and System GMM
- One-step, two-step, and iterative estimates
- First-difference and forward orthogonal deviation transformations
- Robust standard errors. For two-step GMM, the calculation suggested by Windmeijer (2005) is used.
- Hansen over-identification test
- Arellano-Bond test for autocorrelation
- Time dummies
- Collapse GMM instruments to limit instrument proliferation
- Search for models based on users' request, rather than just run the model specified by users as other packages do
回归结果和Stata中的xtabond2相同。在Python和R环境中安装使用可参考
https://github.com/dazhwu/pydynpd


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