Look at the far right, toward the bottom:
http://www.cbc.ca/books/index.html
This interview is long, but worth listening to if you want a perspective from the CEO of a Big Box chain of bookstores. Reisman runs Chapters-Indigo in Canada, but I'm guessing that what she has to say applies to other chains in other countries.
Toward the end there is a discussion of the decision to sell Kobo to Raskuten.