Katarzyna BiliÃ Âska Ã¢ÂÂ Reformat and Beata Reformat
The paper introduces the Group Buying as a new e-commerce model that appeared in many countries under crisis determinants. Group buying, offers products and services at significantly reduced prices on condition that a minimum number of buyers will make the purchase. Group Buying also known as collective buying or social buying is a relatively new form of online selling that is rapidly growing all over the world. The purpose of this paper is to characterize the determinants of growth of that model and also to identify key success factors for group-buying platforms. In the paper the following assumption is made: the crisis factors are the main source of creating of new e-commerce models.