1. Can Technology Transfers Save Innovation? Theory and Evidence with Klaus Prettner.
2. Migration reform and fertility: causal evidence from rural China with Wenchao Jin.
3. Act early to prevent infection and save lives: causal impact of diagnostic efficiency on the COVID-19 pandemic with David E. Bloom, Till Bärnighausen, and Simiao Chen. IZA Discussion paper.
4. Do migration barriers make firms more productive in the long run? evidence from China with Shiyuan Pan. GLO Discussion paper.
5. The unintended consequences of relaxing birth quotas: Theory and Evidence with Shiyuan Pan and Zhijie Zheng. GLO Discussion paper.
6. What drives policy makers to reduce migration barriers? Evidence from China's hukou reform with Paolo Epifani.
7. Migration and factor price equality with Olga Timoshenko.
Working paper in Chinese:
8. 劳动力供给减少会促进企业创新吗?基于户籍制度的经验分析(合作者:潘士远)