Fig 1.
Change in savings rate and national income per capita from 2011 to 2019.
Fig 2.
Fertility rates and Gini coefficients for major countries on all continents.
Fig 3.
Literature research.
Table 1.
Descriptive statistics.
Table 2.
Mechanism test and robustness test results.
Fig 4.
Parallel trend test.
Table 3.
The impact of fertility policy on the income gap between labour and capital based on the DID model.
Table 4.
Dynamic analysis results.
Table 5.
Verification of closed economic hypothesis.
Table 6.
Mediation mechanism test.
Table 7.
Test of threshold effect.