From: Balancing short-term costs and long-term benefits: an analysis of the impact of hydroelectric power generation on electricity prices volatility in Cameroon
Variables
ZA
Level
Breakpoint
Lag
ln_HYDRO
−4.392
2012
0
ln_DE
−5.003**
2006
ln_REER
−3.907
2010
ln_GDP
−4.508
ln_EPv
−3.844
Exact critical value
 1%
−5.34
 5%
−4.80
 10%
−4.58