2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/135830Distributions following a power-law are an ubiquitous phenomenon. Methods for determining the exponent of a power-law tail by graphical means are often used in practice but are intrinsically unreliable. Maximum likelihood estimators for the exponent are a mathematically sound alternative to graphical methods.Supplementary software: http://www.physics.ox.ac.uk/users/bauke/Publications/index.html#powerlawsOther Condensed MatterData Analysis, Statistics and Probabilitytext