Reminder that a mere 15 years ago, Walmart was the unfair monopolist whose market position rendered competition infeasible.
Also unclear to me why "ecommerce" is a market unto itself that we should be concerned with level of concentration in, as opposed to simply a slice of the broader "retail" market (which is much less concentrated)
Also unclear to me why "ecommerce" is a market unto itself that we should be concerned with level of concentration in, as opposed to simply a slice of the broader "retail" market (which is much less concentrated)