@article{kacperczyk2014time,
  title={Time-varying fund manager skill},
  author={Kacperczyk, Marcin and {Van Nieuwerburgh}, Stijn and Veldkamp, Laura},
  journal={The Journal of Finance},
  volume={69},
  number={4},
  pages={1455--1484},
  year={2014},
  publisher={Wiley Online Library}
}