look at brand-price interactions (equivalent to brand specific price effects) that are often recommended in practice ….We show that brand specific pricing is unnecessary when using HB estimation and the added terms can lead to devastating model …

This paper explores and quantifies the importance of parent brand state dependence to forward looking pricing outcomes … the parent brand can decrease prices and reduce profits, as well as mitigate or even reverse the benefits of joint profit … maximization relative to sub-brand profit maximization. These effects are mediated by brand asymmetries and the relative magnitude …