“…Other studies focused on comparing VS methods for different types of EC and adjusted marginal contribution or Shapley methods. 38 , 39 An optimal allocation method for a fair distribution of the benefits in an EC is proposed by Casalicchio et al. 40 The authors emphasized the marginal contribution VS method, fairness of the approach proposing a fairness index (FI, Gini), and several business models (BMs) to create simpler VS methods not involving optimization.…”