The correct delimitation of the relevant market is the problem to be examined here. First the legal development of market concepts will be traced. Then, with the objective of coalescing the legal and economic concepts of .the market, a test will be proposed with which to measure the correct market in any given case.
Product Competition in the Relevant Market Under the Sherman Act,
Mich. L. Rev.
Available at: https://repository.law.umich.edu/mlr/vol53/iss1/4