Bianchi, Sergio; Bellis, Iva De; Pianese, Augusto - In: International Journal of Financial Markets and Derivatives 1 (2010) 4, pp. 395-421
This paper investigates the fractal behaviour of the electric spot prices traded in some European markets. Whereas the analysis leads to exclude the presence of multifractality, we provide evidence supporting the conclusion that the multifractional Brownian motion can represent a good candidate...