International audienceCustomers’ individual preferences are calling for more variety of the firms offerings. Faced with this situation, firms endeavor to meet customer requirements while reducing their costs and impact on environment in order to remain competitive. Further on, achieving such a goal entails various issues that need to be tackled such as the multiple performance drivers and criteria relating to sustainability and variety. Accordingly, tradeoffs need to be defined and balanced between such heterogeneous criteria in order to facilitate the decision making process on variety levels with regards to sustainability impact. These tradeoffs should involve decision makers so as to reflect firm priorities and takes into account its rea...