We test whether firms use incompatibility strategically, using data from ATM markets. High ATM fees degrade the value of competitors' deposit accounts, and can in principle serve as a mechanism for siphoning depositors away from competitors or for creating deposit account differentiation. Our...

The Microsoft antitrust case focused public attention on the role of antitrust enforcement in preserving the forces of innovation in high-technology markets. Traditionally, regulators focused on whether companies artificially hiked prices or reduced output. Now, they're increasingly likely to...

In the 16 years since the OECD began conducting Economic Surveys of the Russian Federation, a great many policy recommendations relating to structural reform and framework conditions have been made. This paper, expanding on Annex 1.A1 in the 2011 OECD Economic Survey of the Russian Federation,...

This paper discusses the current state of product market competition in Iceland, including the legal and regulatory framework, and suggests directions for further improvement. Given the size of the economy, efficiency considerations dictate high concentration in many markets, and preventing...

This paper uses the OECD’s indicators of product market regulation (PMR) to assess the extent to which the regulatory environment in Russia supports competition and to draw attention to the areas where further reform efforts would pay dividends. The indicators show that, despite improvements...

In The Antitrust Paradox, Robert Bork viewed most mergers as either competitively neutral or efficiency enhancing. In his view, only mergers creating a dominant firm or monopoly were likely to harm consumers. Bork was especially skeptical of oligopoly concerns resulting from mergers. In this...

While competition between firms producing substitutes is well understood, less is known about rivalry between complementors. We study the interaction between firms in markets with one-way essential complements. One good is essential to the use of the other but not vice versa, as arises with an...

Firms operating in two-sided markets have to integrate in their optimal pricing structure the existence of indirect externalities across groups of consumers. Beyond direct externalities network effects,such markets are characterized by the increasing value of the platform for the users on one...

Online communities provide a social sphere for people to share information and knowledge. While information sharing is becoming a ubiquitous online phenomenon, how to ensure information quality or induce quality content, however, remains a challenge due to the anonymity of commentators. This...

We discuss and compare the remedies in the two cases antitrust cases of the European Union (EU) against Microsoft. The first EU case alleged (i) that Microsoft illegally bundled the Windows Media Player (WMP) with Windows; and (ii) that Microsoft did not provide adequate documentation that would...