Recently numerous companies are moving from products to services to create new business opportunities and increase the value perceived by the customers thanks to an extended value creation network. The research challenge is to support traditional manufacturing enterprises evaluating the shift from products to services as far as sustainability is concerned. While product sustai- nability can be assessed by several tools, the impacts of PSS (Product-Service Systems) are almost unexplored. This paper adopts a holistic approach to assess sustainability by estimating three main impacts: environmental, economical and social. The methodology is illustrated by means of an industrial case study fo- cusing on washing machines; it analyses the traditional scenario based on tangi- ble product selling with a vertical supply-chain, and an innovative PSS scenario proposing washing as a service within an extended network. Data comparison highlights the achievable benefits of PSS on sustainability.
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