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. 2022 Dec 22;8(12):e12611. doi: 10.1016/j.heliyon.2022.e12611

Table 4.

Results of panel quantile regression (Machado and Santos Silva (2019) method).

Location Parameters
Variables Coefficient Std. Error p-value
lnEFP 0.0415∗∗ 0.0153 0.014
lnBC -0.0043 0.0119 0.720
lnHC 0.0765∗ 0.0384 0.062
lnEC -0.0028 0.0031 0.393
Constant 3.6097∗∗∗ 0.1280 0.000
Scale Parameters
Variables Coefficient Std. Error p-value
lnEFP -0.0010 0.0035 0.770
lnBC -0.0003 0.0045 0.994
lnHC 0.0078 0.0064 0.239
lnEC 0.0021 0.0014 0.135
Constant 0.0025 0.0500 0.961
0.1 Quantile Coefficients
Variables Coefficient Std. Error p-value
lnEFP 0.0431∗∗∗ 0.0070 0.000
lnBC -0.0043 0.0081 0.599
lnHC 0.0644∗∗∗ 0.0136 0.000
lnEC -0.0060∗∗∗ 0.0018 0.001
0.2 Quantile Coefficients
Variables Coefficient Std. Error p-value
lnEFP 0.0427∗∗∗ 0.0059 0.000
lnBC -0.0043 0.0068 0.529
lnHC 0.0672∗∗∗ 0.0114 0.000
lnEC -0.0053∗∗∗ 0.0015 0.000
0.3 Quantile Coefficients
Variables Coefficient Std. Error p-value
lnEFP 0.0422∗∗∗ 0.0048 0.000
lnBC -0.0043 0.0055 0.435
lnHC 0.0705∗∗∗ 0.0092 0.000
lnEC -0.0044∗∗∗ 0.0012 0.000
0.4 Quantile Coefficients
Variables Coefficient Std. Error p-value
lnEFP 0.0420∗∗∗ 0.0043 0.000
lnBC -0.0043 0.0049 0.379
lnHC 0.0727∗∗∗ 0.0082 0.000
lnEC -0.0038∗∗∗ 0.0011 0.000
0.5 Quantile Coefficients
Variables Coefficient Std. Error p-value
lnEFP 0.0415∗∗∗ 0.0040 0.000
lnBC -0.0043 0.0046 0.349
lnHC 0.0763∗∗∗ 0.0078 0.000
lnEC -0.0028∗∗∗ 0.0010 0.007
0.6 Quantile Coefficients
Variables Coefficient Std. Error p-value
lnEFP 0.0410∗∗∗ 0.0046 0.000
lnBC -0.0043 0.0053 0.412
lnHC 0.0799∗∗∗ 0.0089 0.000
lnEC -0.0018 0.0012 0.122
0.7 Quantile Coefficients
Variables Coefficient Std. Error p-value
lnEFP 0.0406∗∗∗ 0.0054 0.000
lnBC -0.0043 0.0063 0.487
lnHC 0.0827∗∗∗ 0.0105 0.000
lnEC -0.0011 0.0014 0.440
0.8 Quantile Coefficients
Variables Coefficient Std. Error p-value
lnEFP 0.0403∗∗∗ 0.0065 0.000
lnBC -0.0044 0.0074 0.557
lnHC 0.0854∗∗∗ 0.0124 0.000
lnEC -0.0003 0.0016 0.830
0.9 Quantile Coefficients
Variables Coefficient Std. Error p-value
lnEFP 0.0398∗∗∗ 0.0081 0.000
lnBC -0.0044 0.0093 0.638
lnHC 0.0891∗∗∗ 0.0156 0.000
lnEC 0.0007 0.0020 0.743

Note: ∗∗∗, ∗∗ and ∗ indicate rejection of the null hypotheses at the 1%, 5% and 10% significant levels respectively.