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. 2023 Sep 12;13:15086. doi: 10.1038/s41598-023-42221-y

Table 7.

CS-ARDL test results.

(1) Full panel (2) HIC (3) UMIC (4) LMIC (5) LIC
Variables Coefficient p-value Coefficient p-value Coefficient p-value Coefficient p-value Coefficient p-value
Short-run effects
 ΔCO2t−1 0.728*** 0.000 0.917*** 0.000 0.699*** 0.005 0.826*** 0.000 −0.868*** 0.000
 ΔCGI −0.179 0.225 −0.565 0.186 −0.198 0.410 −0.069 0.735 0.150 0.337
 ΔEGY 0.328* 0.075 0.717*** 0.004 0.522*** 0.000 0.191*** 0.000 0.229*** 0.000
 ΔEG 0.021*** 0.001 −0.035 0.260 0.047* 0.081 0.061* 0.087 0.023*** 0.003
 ΔFDI −0.172*** 0.000 −0.602*** 0.000 −0.508 0.420 −0.966 0.413 −0.981 0.279
 ΔHDI −0.746* 0.056 −0.248*** 0.008 -0.194 0.575 −0.211 0.899 -0.558 0.620
 ΔPGR 0.359*** 0.000 0.460*** 0.000 0.355 0.422 0.279 0.575 0.318 0.555
 ΔTOP 0.043 0.124 0.018*** 0.000 0.037 0.845 0.033 0.310 0.275 0.320
 ΔURB 0.462*** 0.000 0.977 0.384 0.251 0.145 0.399 0.286 0.147** 0.031
 ECT −0.992*** 0.000 −0.917*** 0.000 −0.891*** 0.000 −0.826*** 0.000 −0.868*** 0.000
Long-run effects
 CGI −0.678*** 0.000 −0.338*** 0.000 −0.245*** 0.000 −0.104*** 0.000 −0.097*** 0.000
 EGY 0.741*** 0.000 0.312*** 0.000 0.227*** 0.000 0.113*** 0.008 0.100*** 0.000
 EG 0.213*** 0.000 −0.016*** 0.000 0.039*** 0.000 0.124*** 0.000 0.201*** 0.000
 FDI −0.398** 0.047 −0.775*** 0.000 −0.516*** 0.000 −0.356** 0.017 −0.804*** 0.000
 HDI −0.615*** 0.000 −0.780** 0.033 −0.604*** 0.000 −0.219*** 0.000 −0.199*** 0.000
 PGR 0.154*** 0.000 0.274* 0.084 0.418*** 0.000 0.309*** 0.000 0.113*** 0.000
 TOP 0.085 0.837 0.068 0.396 0.047*** 0.000 0.033*** 0.000 0.010*** 0.000
 URB 0.467*** 0.000 0.853*** 0.009 0.569*** 0.000 0.266*** 0.000 0.094*** 0.000
Diagnostic checks
 Normality test 1.19 0.310 0.87 0.525 1.07 0.378 1.65 0.275 1.32 0.398
 F-statistics 4.42*** 0.000 4.38*** 0.000 5.13*** 0.000 3.55*** 0.000 4.83*** 0.000
 CD-statistics 1.83 0.445 1.14 0.476 0.994 0.510 0.15 0.880 0.65 0.517
 Adjusted R-squared 0.47 0.46 0.52 0.42 0.81
 Observations 3960 1518 1034 814 615
 Groups 180 69 47 37 28
 Abs/group 22 22 22 22 22

***, **, and * indicate significance at 1%, 5%, and 10%, respectively. Observations are adjusted after lag of the dependent variables.