@article{albarran2019estimation,
  title={Estimation of Dynamic Nonlinear Random Effects Models with Unbalanced Panels},
  author={Albarran, Pedro and Carrasco, Raquel and Carro, Jesus M.},
  journal={Oxford Bulletin of Economics and Statistics},
  year={2019},
  volume={81},
  number={6},
  pages={1424--1441},
  doi={10.1111/obes.12308}
}