Measuring technical efficiency of state-owned enterprises in Asia Pacific and European regions: a data envelopment analysis

Figures & data

Table 1. Efficiency scores of All SOE in the selected advanced and emerging economies countries of Asian Pacific Region and European nations.

Efficiency Measures	SOEs in Selected Asian Pacific Region and European Nations
	ALL SOEs		SOEs in Advanced Economies		SOEs with in Emerging Economies
	No. of DMUs	Mean	No. of DMUs	Mean	No. of DMUs	Mean
Panel A : All SOE 2010
Technical Efficiency	170	0.491	58	0.458	112	0.508
Pure Technical Efficiency	170	0.574	58	0.599	112	0.560
Scale Efficiency	170	0.893	58	0.826	112	0.927
Panel B : All SOE 2011
Technical Efficiency	170	0.700	58	0.672	112	0.714
Pure Technical Efficiency	170	0.768	58	0.779	112	0.763
Scale Efficiency	170	0.919	58	0.872	112	0.943
Panel C : All SOE 2012
Technical Efficiency	170	0.697	58	0.672	112	0.709
Pure Technical Efficiency	170	0.753	58	0.763	112	0.748
Scale Efficiency	170	0.931	58	0.891	112	0.952
Panel D : All SOE 2013
Technical Efficiency	170	0.688	58	0.673	112	0.695
Pure Technical Efficiency	170	0.745	58	0.765	112	0.734
Scale Efficiency	170	0.931	58	0.888	112	0.953
Panel E : All SOE 2014
Technical Efficiency	170	0.705	58	0.696	112	0.710
Pure Technical Efficiency	170	0.761	58	0.777	112	0.753
Scale Efficiency	170	0.933	58	0.904	112	0.948
Panel F : All SOE 2015
Technical Efficiency	170	0.750	58	0.757	112	0.747
Pure Technical Efficiency	170	0.790	58	0.809	112	0.781
Scale Efficiency	170	0.955	58	0.941	112	0.961
Panel G : All SOE 2016
Technical Efficiency	170	0.757	58	0.770	112	0.751
Pure Technical Efficiency	170	0.793	58	0.815	112	0.782
Scale Efficiency	170	0.959	58	0.950	112	0.964
Panel H : All SOE 2017
Technical Efficiency	170	0.716	58	0.707	112	0.721
Pure Technical Efficiency	170	0.768	58	0.784	112	0.760
Scale Efficiency	170	0.938	58	0.908	112	0.954
Panel 1 : All SOE 2010 - 2017
Technical Efficiency	1360	0.688	464	0.676	1324	0.470
Pure Technical Efficiency	1360	0.744	464	0.761	1324	0.497
Scale Efficiency	1360	0.932	464	0.846	1324	0.643

Sources: DATASTREAM database and authors’ own calculations.

Figure 1. The comparison of efficiency level of SOE between advanced and emerging economies countries.

Source: DATASTREAM database and authors’ own calculations.

Figure 2. Decomposition of TE into PTE and SE for SOE in advanced economies.

Source: DATASTREAM database and authors’ own calculations.

Figure 3. Decomposition of TE into PTE and SE for SOE in emerging economies.

Source: DATASTREAM database and authors’ own calculations.

Table 2. Robustness test for efficiency scores of All SOE in the selected advanced and emerging economies countries of Asian Pacific Region and European nations.

Test groups
	Parametric test		Non-parametric test
Individual tests	t-test		Mann-Whitney [Wilcoxon Rank-Sum] test		Kruskall-Wallis Equality of Populations test
Hypothesis
Test statistics	t(Prb > t)		z(Prb > z)		X² (Prb > X²)
	Mean	t	Mean Rank	z	Mean Rank	X²
YEAR 2010
Technical Efficiency (TE)
SOE in Advanced Economies	0.458	−2.161***	77.069	−1.607*	77.069	2.583*
SOE in Emerging Economies	0.508		89.866		89.866
Pure Technical Efficiency (PTE)
SOE in Advanced Economies	0.599	1.161	91.431	−1.131	91.431	1.279
SOE in Emerging Economies	0.560		82.429		82.429
Scale Efficiency (SE)
SOE in Advanced Economies	0.826	−3.118***	77.733	−0.148	77.733	2.199
SOE in Emerging Economies	0.927		89.522		89.522
YEAR 2011
TE
SOE in Advanced Economies	0.672	−1.788***	74.414	−2.114**	74.414	4.467**
SOE in Emerging Economies	0.714		91.241		91.241
PTE
SOE in Advanced Economies	0.779	0.624**	86.707	−0.230	86.707	0.053
SOE in Emerging Economies	0.763		84.875		84.875
SE
SOE in Advanced Economies	0.872	−4.048***	59.707	−4.919***	59.707	24.913***
SOE in Emerging Economies	0.943		98.857		98.857
YEAR 2012
TE
SOE in Advanced Economies	0.672	−1.464***	76.802	−1.658*	76.802	2.750*
SOE in Emerging Economies	0.709		90.004		90.004
PTE
SOE in Advanced Economies	0.763	0.534***	84.612	−0.169	84.612	0.029
SOE in Emerging Economies	0.748		85.960		85.960
SE
SOE in Advanced Economies	0.891	−3.335***	72.595	−2.474**	72.595	6.121**
SOE in Emerging Economies	0.952		92.183		92.183
YEAR 2013
TE
SOE in Advanced Economies	0.673	−0.881**	79.414	−1.160	79.414	1.346
SOE in Emerging Economies	0.695		88.652		88.652
PTE
SOE in Advanced Economies	0.765	1.117**	88.948	−0.658	88.948	0.433
SOE in Emerging Economies	0.734		83.714		83.714
SE
SOE in Advanced Economies	0.888	−3.451***	67.241	−3.483***	67.241	12.133***
SOE in Emerging Economies	0.953		94.955		94.955
YEAR 2014
TE
SOE in Advanced Economies	0.696	−0.554**	80.776	−0.901	80.776	0.811
SOE in Emerging Economies	0.710		87.946		87.946
PTE
SOE in Advanced Economies	0.777	0.899**	87.853	−0.449	87.853	0.202
SOE in Emerging Economies	0.753		84.281		84.281
SE
SOE in Advanced Economies	0.904	−2.538***	75.905	−1.830*	75.905	3.350*
SOE in Emerging Economies	0.948		90.469		90.469
YEAR 2015
TE
SOE in Advanced Economies	0.757	0.395	86.586	−0.207	86.586	0.043
SOE in Emerging Economies	0.747		84.938		84.938
PTE
SOE in Advanced Economies	0.809	1.131*	89.836	−0.827	89.836	0.684
SOE in Emerging Economies	0.781		83.254		83.254
SE
SOE in Advanced Economies	0.941	−1.440**	82.526	−0.569	82.526	0.323
SOE in Emerging Economies	0.961		87.040		87.040
YEAR 2016
TE
SOE in Advanced Economies	0.770	0.859**	89.379	−0.74	89.379	0.547
SOE in Emerging Economies	0.751		83.491		83.491
PTE
SOE in Advanced Economies	0.815	1.351**	90.853	−1.021	90.853	1.043
SOE in Emerging Economies	0.782		82.728		82.728
SE
SOE in Advanced Economies	0.950	−1.145*	78.293	−1.357	78.293	1.891
SOE in Emerging Economies	0.964		89.232		89.232
YEAR 2017
TE
SOE in Advanced Economies	0.707	−0.636**	81.586	−0.746	81.586	0.557
SOE in Emerging Economies	0.721		87.527		87.527
PTE
SOE in Advanced Economies	0.785	1.006**	88.500	−0.572	88.500	0.327
SOE in Emerging Economies	0.760		83.946		83.946
SE
SOE in Advanced Economies	0.908	−2.925***	67.078	−3.513***	67.078	12.343***
SOE in Emerging Economies	0.954		95.040		95.040

Source: DATASTREAM database and authors’ own calculations.

The superscripts *, ** and *** represent statistical significance at the 10%, 5% and 1% confidence levels, respectively.