Author explicitly prefers the fixed-effects (FE) method throughout || 'the FE method outperforms all the other methods. It yields reasonable elasticity estimates' (p.23) and abstract 'the fixed effects method seems to fit the data better' (p.13); conclusions 'the latter [FE] appears to be rather more successful. It fits the data better and outperforms all the other estimators' (p.24)
Diabli, A. (1998): “The Demand for Electric Energy in Saudi Arabia: An Empirical Investigation.” OPEC Review 22(1), 13–29