Balancing short-term costs and long-term benefits: an analysis of the impact of hydroelectric power generation on electricity prices volatility in Cameroon

Sustainable Energy Research

Table 8 Regression results of the ARDL-ECM model (1,1,0,0,0)

D.ln_EPv	Coefficient	Std. err.	t	P > t
ECT	−0.640***	0.143	−4.470	0.001
Long-run estimate
ln_HYDRO	25,390 *	11.817	2.150	0.057
ln_DE	−12.407**	4.664	−2.660	0.024
ln_GDP	4.576**	1.675	2.730	0.021
ln_REER	−32,222 *	15.638	−2.060	0.066
Short-run estimation
D.ln_HYDRO	−17.469**	6.549	−2.670	0.024
D.ln_HYDRO	4.329	4.034	1.070	0.308
DU	−2.068	1.235	−1.670	0.125
cons	22.555	70.347	0.320	0.755
R-squared	0.7971
Number of obs	19