@article{albarran2019gmm,
  title={GMM Estimation from Incomplete and Rotating Panels},
  author={Albarran, Pedro and Arellano, Manuel},
  journal={Annals of Economics and Statistics},
  year={2019},
  number={134},
  pages={5--42},
  doi={10.15609/annaeconstat2009.134.0005}
}