Table 1 Descriptive statistics.
From: Effects of global trade integration on skill polarization and wage disparity
Variable | Implication | Mean value | Standard deviation |
|---|---|---|---|
Wage gap | |||
Δ1 | The income gap between intermediate and primary skilled workers | 0.1476 | 0.1324 |
Δ2 | The income gap between high- and medium-skilled workers | 0.2466 | 0.2332 |
Skill variable | |||
Edumean | The average education level of the workforce at the city level | 1.4024 | 0.3123 |
Edusd | Disparity in the education level of the labor force at the urban level | 0.5897 | 0.2022 |
sharep | Share of workers with primary skills at the urban level | 0.7174 | 0.1923 |
shares | The proportion of middle-skilled workers in cities | 0.1653 | 0.0952 |
sharet | The proportion of highly skilled workers at the urban level | 0.1175 | 0.1249 |
Trade variable | |||
Export | Natural logarithm of exports over the years at the city level | 11.7538 | 2.2947 |
Import | Natural logarithm of imports over the years at city level | 10.9901 | 2.7853 |
Observations | 665 | ||
