[imglorp]

There's more malfeasance here.

5. They expansively tier their product line with minor variation to remove the idea of a standard offering. Eg there are some 33 sizes of M&Ms so nobody could say "get me a bag of M&Ms" any more. Forget comparing cell service plans.

    * https://www.measuringhow.com/m-and-m-bag-sizes-guide/

6. They generate different model names for sale at different retailers to obstruct comparison shopping. The TV, appliance, and mattress industries are dirty here.

    * https://www.quora.com/Why-are-model-numbers-for-the-same-appliance-all-different-in-each-store-you-visit?share=1

7. They attempt to detect when comparison shopping is happening and intervene.

    * https://www.washingtonpost.com/news/innovations/wp/2017/06/16/amazon-has-a-patent-to-keep-you-from-comparison-shopping-while-youre-in-its-stores/
    * https://www.patriotsoftware.com/blog/accounting/discouraging-price-shopping/

[consp]

And onther method is offering a new product in the same category with less content for a higher price, eventually switch over all products and level the price, now you have less at the same or higher prices for all products (looking at you teisseire as a latest example)

[masfuerte]

Shoe and boot manufacturers also do 6.