Union Monopolies and Antitrust Restraints.

Complementary Monopolies and Bargaining

How should complementarities a¤ect antitrust merger policy? I introduce a two-stage strategic model in which complementary input sellers o¤er supply schedules to producers and then engage in bilateral bargaining with producers. The main result is that there is a unique weakly dominant strategy equilibrium and the equilibrium attains the joint pro…t maximizing outcome. Output equals that of a bu...

Potential consequences from possible changes to Nordic retail alcohol monopolies resulting from European Union membership.

This paper projects the consequences of modifying or eliminating the current national alcohol retail monopolies in Sweden, Norway and Finland as a possible result of those countries' membership in the European Union (EU). First, the authors project absolute alcohol consumption in each country based on different possible changes in alcohol price and availability. Then they predict the future lev...

Regulation of Digital Businesses with Natural Monopolies or Third-Party Payment Business Models: Antitrust Lessons from the Analysis of Google

Some digital business models may be so innovative that they overwhelm existing regulatory mechanisms, both legislation and historical jurisprudence, and require extension to or modification of antitrust law. Regulatory policies that were developed in response to 19th or 20th century antitrust concerns dealt principally with economies of scale leading to monopoly power, and may not be well suite...

Time-Differentiated Monopolies

We consider sequential competition among sellers, with different consumers desiring the good at different times. Each consumer has the option of buying from a later seller. Each seller recognizes that future sellers are potential competitors. We find that if sellers do not know the previous history of sales, then an equilibrium price is necessarily the same as that which would be set by a simpl...

Some Thoughts on "Antitrust Policy" and the Antitrust Community