The Impact of Permanent Residency Delays for STEM PhDs: Who leaves and Why
---- Acknowledgments ----
We thank Chelsea Carter and Zijie Zhu for excellent research assistance. We thank Gabriele Cristelli, Sari Kerr, Bill Kerr, Jim Rebitzer, David Spitzer and Bruce Weinberg for helpful suggestions. We also thank those at NSF NCSES and at NORC for enabling this research. However, all analysis and conclusions are solely the work of the authors and not NSF or NORC. This work was supported by NSF grant SES-1538716. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.