Before there was Hipster antitrust there was Woodstock antitrust. Flourishing in the decade from 1969 to 1979, Woodstock antitrust sought to take on the central issues in antitrust. Looking back we can see a program of enforcement and proposed legislation that constituted a radical effort to fix...

In this comprehensive review of ex-post merger studies price effects of horizontal transactions are evaluated. By combining and further analyzing the results of 52 retrospective studies on 82 mergers or merger-like transactions it can be shown that the industry alone is no strong indication for...

This paper addresses the potentially negative implications of proposed antitrust legislation on the entrepreneurial ecosystem in general and particularly focuses on the Venture Capitalists (VCs) that fund it. First, it offers a review of how antitrust merger law currently works and how proposed...

We describe a simple initial indicator of whether a proposed merger between rivals in a differentiated product industry is likely to raise prices through unilateral effects. Our diagnostic calibrates upward pricing pressure (UPP) resulting from the merger, based on the price/cost margins of the...

We analyze evidence production in merger control as a delegation problem in an inquisitorial competition policy system. The antitrust agency’s incentives to produce evidence on the efficiency of a merger proposal depend critically on its action set. Allowing for a compromising remedy solution...

Complexity science is widely used across the policy spectrum but not in antitrust. This is unfortunate. Complexity science enables a rich understanding of competition beyond the simplistic descriptions of markets and firms proposed by neoclassical models and their contemporary neo-Brandeisian...

Antitrust is high on the reform agenda at present, associated with calls to “break up big tech.” Proponents of reform have invoked history with regularity in making their case. They say reform is essential to reverse the baleful influence of the Chicago School of antitrust, which, in their...

Present-day advocates of antitrust reform referred to as “New Brandeisians” have invoked history in pressing the case for change. The New Brandeisians bemoan the upending of a mid-20th century “golden age” of antitrust by an intellectual movement known as the Chicago School. In fact,...

The European Commission's recent draft Notice describes the use of supply-side substitution factors in defining relevant markets for the application of competition law. Expanding a defined market to include goods not substitutable on the demand side, based on the competitive strength of a broad...

This paper studies cartels' strategic behavior in delaying leniency applications, a take-up decision that has been ignored in the previous literature. Using European Commission decisions issued over a 16-year span, we show, contrary to common beliefs and the existing literature, that...