Antitrust and market regulation, rather than being "flip sides of the same coin," populate a spectrum that ranges from a truly laissez faire economic system at one end to a command economy at the other. Competition policy and regulation have different strengths and will thus be preferred in...

Scholars have seized upon studies on economic concentration to revive the idea that "big is bad". A recent addition to the literature, by James Bessen, shares a concern for declining disruption rates but argues instead that "closed is bad". We review this debate, concluding that neither fully...