Most retailers today sell products through an online channel in addition to traditional physical stores. We investigate how such a multi-channel or omni-channel retailer should decide the number and size of physical stores. We show that a higher return rate for online purchases can incentivize...

As manufacturers often sell their products through retailers, many manufacturer cartels directly affect retailers, who are, at least in Europe, also increasingly claiming damages. This paper points to an, to our knowledge, hitherto unexplored aspect in such cases. As store brands (or private...