This chapter examines recent developments in economic research relating to antitrust,
paying specific attention to research in the areas of collusion and merger enforcement …

We study collusion among firms against imperfectly monitored environmental regulation.
Firms increase variable profits by violating regulation and reduce expected noncompliance …

Numerous recently uncovered cartels operated along the supply chain, with firms at one end
facilitating collusion at the other—hub-and-spoke arrangements. These cartels are hard to …

If noncartel firms adjust their pricing to the supracompetitive level sustained by a cartel,
purchasers from noncartel firms may suffer umbrella damages. This paper examines the …

We study cartels that operated in the US generic drug industry, leveraging quarterly
Medicaid data for the period 2011–2018 and a difference-in-differences approach …

I explore recent behavior in the market for superpremium ice cream. I first document that the
flavors offered in supermarkets by Ben & Jerry's and Haagen-Dazs became increasingly …

This paper examines the welfare consequences of a trade association in an exporting
country on consumers in destination countries. We estimate a structural model of the …

I investigate how explicit cartels, known as``shipping conferences", in a global container
shipping market facilitated the formation of one of the largest globally integrated markets …

Does competition constrain corporate political influence? Because consolidation should
lead firms to internalize a larger share of lobbying benefits, it may therefore lead to higher …

This paper develops a novel theory linking quantity discounts to bargaining power in
scenarios where retailers, organized as a trade association, negotiate uniform wholesale …