Purpose: This article harmonizes the causal diagram with the objective tree to evaluate service quality and to identify action strategies that improve the quality of service in the hotel industry.Design/methodology/approach: In stage I, we obtained the quality perception records of 127...

Background: The ongoing technical innovation is fully involving transportation sector, converting the usual mass-transit system toward a sustainable mobility. Make-or-buy decision are usually adopted to assess different solutions in terms of costs-benefits to put in place strategic choices...