Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Monopolistic competition features many businesses offering similar, differentiated products. This market structure benefits both consumers with varied choices and businesses via low entry barriers.

Conduct that violates the antitrust laws usually lessens competition and increases market power. But some conduct increases market power without lessening competition. Examples, some suggested by past ...