In this paper, we suggest a method to test price-fixing agreements. Prices fixed to multiple shipments are decomposed into a set of destination market effects and time effects in order to allow us to perform an analysis of residuals. We examine the pricing behavior of vitamin C in the European...

We study cartels that operated in the US generic drug industry, leveraging quarterly Medicaid data from 2011-2018 and a difference-in-differences approach comparing the evolution of prices of allegedly collusive drugs with a group of competitive control drugs. Our analysis highlights (i) the...

We study cartels that operated in the US generic drug industry, leveraging quarterly Medicaid data from 2011-2018 and a difference-in-differences approach comparing the evolution of prices of allegedly collusive drugs with a group of competitive control drugs. Our analysis highlights (i) the...

GLOBAL PRICE FIXING (2nd Edition) was released by Springer at the end of 2006. This note reproduces a 2002 review of the first edition of the book by Prof. Douglas Greer. It is reproduced with the permission of the publisher of the Review of Industrial Organization

In the pharmaceuticals sector there is an inherent tension between intellectual property rights and antitrust. This paper examines this tension over the past 10 years since modernisation of EU competition law. It looks at three types of problems: (i) restrictions on parallel imports; (ii) abuse...

A substantial body of research in management and related public policy fields concludes that recent decades saw greater dynamic competition throughout technology-intensive ("TI") industries, with wide-spread, steady increase in TI industry and business performance instability as key...

Is antitrust law up to the task of addressing the "New Economy"? That is the question many have asked in recent years. And that is one of the key questions addressed by the Antitrust Modernization Commission ("AMC"), a commission that Congress established in 2002 "to examine whether the need...

This paper assesses the antitrust fines and private penalties imposed on the participants of 260 international cartels discovered during 1990-2005, using four indicators of enforcement effectiveness. First, the United States is almost always the first to investigate and sanction international...

How does a firm’s market power in existing products affect its incentives to innovate? We explore this fundamental question using granular project-level and firm-level data from the pharmaceutical industry, focusing on a particular mechanism through which incumbent firms maintain their market...

This paper demonstrates how, by introducing a generic version of its previously-patented product, a branded firm can influence the equilibrium in the generic segment of the market for the product. This in turn can increase the firm's profits from selling the branded version. We then use...