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. 2022 Dec 30;9(1):e12723. doi: 10.1016/j.heliyon.2022.e12723

Table 8.

Effects of EIAs on the survival of agriculture raw material exports.

Dependent Variable: Hazard Rate
Independent variables
Pooled EIA
NR-PTA
PTA
CUSTOMS
(1) (2) (1) (2) (1) (2) (1)
EIA Exist −1.102*** (0.235) −1.152** (0.396) −0.885** (0 .297) −0.913** (0.390) −0.635** (0.315) −1.068** (0.359) −1.724*** (0.438)
EIA In Effect 0.516 (0.511) −0.686* (0.392) 0.021 (0.505)
Spell Starts After EIA −0.489 (0.477) 0.634 (0.434) 2.114 (0.630)
Log GDP of Importer −0.166* (0.087) −0.164* (0.087) −0.127 (0.102) −0.118 (0.103) −0.229** (0.0949) −0.185* (0.098) −0.401*** (0.091)
Initial Export Value −4.38e−4** (1.63e−4) −4.30e−4** (1.62e−4) −4.36e−4** (1.61e−4) −4.39e−4** (1.61e−4) −3.95e−4** (1.57e−4) −3.95e−4** (1.64e−4) −3.825e−4** (1.441e−4)
Common Language 0.270 (0.262) 0.219 (0.261) 0.121 (0.280) 0.158 (0.280) −0.009 (0.284) 0.031 (0.295) 0.201 (0.261)
Distance 2.21e−5 (3.363–5) 0.219 (0.261) 5.59e−6 (3.49e−5) 5.72e−5* (3.46e−5) 5.38e−5 (3.6e−5) 5.49e−5 (3.74e−5) 2.35e−5 (3.39e−5)
Colonial ties −0.657** (0.270) −0.659** (0.268) −0.546* (0.285) −0.549* (0.285) −0.382 (0.281) −0.399 (0.291) −0.453* (0.260)
Years of export experience −0.121*** (0.023) −0.126*** (0.024) −0.112*** (0 .023) −0.106*** (0 .023) −0.113*** (0.023) −0.399*** (0.291) −0.118*** (0.023)
Log Population −0.088 (0.077) −0.085 (0.076) −0.114 (0.089) −0.112 (0.089) −0.055 (0.086) −0.399 (0.291) 0.090 (0.075)
Common Border 0.035 (0.592) 0.062 (0.590) −0.763 (0.672) −0.720 (0.668) −0.813 (0.812) −0.399 (0.291) 0.411 (0.703)
Landlocked 0.174 (0.235) 0.176 (0.232) 0.291 (0.254) 0.298 (0.253) 0.230 (0.255) 0.255 (0.265) 0.016 (0.234)
Duration Dummies Yes Yes Yes Yes Yes Yes Yes
Constant 6.334** (2.021) 6.273** (2.006) 5.255** (2.130) 4.768** (2.142) 6.700** (2.111) 5.554* (2.161) 9.033*** (2.126)
Observations 1986 1986 1986 1986 1986 1986 1986
Log Likelihood −577.232 −576.660 −587.970 −586.087 −590.682 −582.047 −584.537
Wald chi2 202.86 206.20 179.61 182.03 173.88 182.13 200.42

Note: *p < 0.1, **p < 0.05, ***p < 0.01 represents significance level at 10%, 5%, and 1%. Robust standard errors are reported in the bracket.

Source: Authors' construct (2022).