Price discrimination is conceptually independent of production processes and efficiency. The analysis begins with supply and demand curves, representing the production processes and consumer preferences. 1/

Single-price market and price discrimination are different ways of allocating transactions within those curves. 2/

That’s not to say that in practice and the messy world of real life, there might not be some side channels by which an expectation of a capacity to price discriminate (or not) somehow conditions the production processes. But that would be a pretty second-order and bespoke kind of claim. /fin