[paper in French] In a context where the current system of crop protection is strongly criticized, various actors (both from the agricultural and the non agricultural world) are getting mobilized towards pesticide reduction. A diversity of incentive strategies are emerging to encourage changes...

Purpose – The purpose of this paper is to propose that online group buying is different from the traditional purchase model in that an aggregation of purchases on the internet can lead sellers to adopt various bargaining strategies. When buyers and sellers do not have the opportunity to meet...