Monopsony:
A market situation in which the product or service of several sellers is sought by only one buyer.SO on the one hand you say they do "monopolistic practioses" (ie they behave as a monopoly) and on the other hand you say they are also a monopsony.
I don't see any point in continuing this dicussion, one of us lacks a knowledge of basic economic theory & how the free market works.
-akhilesh