Table 2 Kruskal–Wallis rank sum test results for CFE and CPE.

From: Commercial banks performance, ownership types and operations efficiency decomposition in China: a comparative analysis

 

2016

2017

2018

2019

2020

2016–2020

CFE

CPE

CFE

CPE

CFE

CPE

CFE

CPE

CFE

CPE

CFE

CPE

K–W

statistic

22.75

20.80

18.20

29.53

29.67

20.03

16.09

25.33

23.82

20.48

28.49

30.08

P-value

0.000

0.001

0.003

0.000

0.000

0.001

0.007

0.000

0.000

0.001

0.000

0.000

  1. ➀ The total number of observational samples is 140, with the samples for state-owned banks, joint-stock banks, urban commercial banks, rural commercial banks, private banks, and foreign banks being 6, 10, 61, 45, 5, and 13, respectively.
  2. ➁ Degrees of freedom: 5, with the corresponding chi-square critical value being 11.07.
  3. ➂ P-value with a significance level of 0.05 and a 2-sided test.
  4. ➃ The test statistics have been adjusted for correction factors.
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