Table 1 Variable Selection, Definition, and Assignment.
Variable types | Variables | Symbol | Definition |
|---|---|---|---|
Explained Variables | IL/year | Income (log) | Logarithmic value of the total amount of each type of income for the year |
IS | Satsal | Satisfaction with income: 1 (very dissatisfied) to 5 (very satisfied) | |
Explanatory variables | GPVST | Tra | Participation in GPVST: yes = 1, no. = 0 |
dummy variable | time | Time | 2016 = 0, 2018 = 1 |
Core explanatory variable | interaction term | Tra-time | GPVST multiplied by a time dummy variable |
Control variables | sex | Sex | Male = 1, Female = 0 |
age | Age (log) | Logarithmic value of current year’s age | |
marriage | Marri | Married = 1, other = 0 | |
household registration | Hukou | Local account = 1, foreign account = 0 | |
mobility experience | Exp | Number of migrations | |
educational background | Edu | Duration of education | |
hours of work/year | Worktime(log) | Logarithmic value of working hours per year | |
working distance | workdistance | Geographic location of work: 1 (very near) to 5 (very far) | |
commuting time | Commute_time(log) | Logarithmic value of time (in minutes) spent on the road to and from work each day | |
type of industry | Indus | Whether engaged in the tertiary sector: yes = 1, no. = 0 | |
number of years working | Work_time | Number of years worked | |
future settlement intentions | Willsett | Likelihood of future local settlement: 1 (very unlikely) to 5 (very likely) | |
social status perception | Status | Perceived level of social status: 1 (lowest) to 10 (highest) | |
sense of social justice | Fair | Fairness of current standard of living compared to work effort: 1 (not at all fair) ~ 5 (completely fair) |