Fig 1.
The impact mechanisms for the role of establishing PFTZs on international expansion of enterprises.
Table 1.
Descriptive statistics of variables.
Table 2.
Benchmark regression results.
Fig 2.
Parallel-trend tests.
Fig 3.
Placebo tests.
Table 3.
Robustness test.
Table 4.
Mechanism test results.
Table 5.
Interactive effect and radiation effect.
Table 6.
Heterogeneity across geographical regions.