Study on the Technical Efficiency of Creative Human Capital in China by Three-Stage Data Envelopment Analysis Model

Table 1

The correlation coefficient of variable test table.

		Input variable
		𝑥1	𝑥2	𝑥3	𝑥4
Output Variable	𝑦1	0.993***	0.974***	0.922***	0.993***
	𝑦2	0.998***	0.959***	0.912***	0.991***
Environment variable	𝑧1	0.946***	0.969***	0.941***	0.965***
	𝑧2	0.952***	0.996***	0.984***	0.990***
	𝑧3	0.995***	0.960***	0.905***	0.988***
	𝑧4	0.972***	0.944***	0.875***	0.966***
	𝑧5	−0.537	−0.758**	−0.812**	−0.666*
	𝑧6	0.961***	0.958***	0.924***	0.967***
	𝑧7	0.884***	0.721**	0.617*	0.799**

Note: *, ** and *** indicate significance at the 10%, 5% and 1% levels, respectively.