Alaeifar, Mozhgan; Farsi, Mehdi; Filippini, Massimo - In: Energy Policy 65 (2014) C, pp. 86-93
panel of 26 companies over 1996–2000. Our main objective is to estimate the optimal size and scale economies of the industry … unexploited scale economies. However, very large companies in the sample and companies with a disproportionate mixture of output …