@article{kroft2013duration,
  title={Duration Dependence and Labor Market Conditions: Evidence from a Field Experiment},
  author={Kroft, Kory and Lange, Fabian and Notowidigdo, Matthew J},
  journal={The Quarterly Journal of Economics},
  volume={128},
  number={3},
  pages={1123--1167},
  year={2013},
  publisher={MIT Press}
}