Open Access. Powered by Scholars. Published by Universities.®

Law Commons

Open Access. Powered by Scholars. Published by Universities.®

Antitrust and Trade Regulation

Boston University School of Law

Economics

Publication Year

Articles 1 - 2 of 2

Full-Text Articles in Law

The Law And Economics Of Monopolization Standards, Keith N. Hylton Jan 2010

The Law And Economics Of Monopolization Standards, Keith N. Hylton

Faculty Scholarship

Monopolization, the restriction of competition by a dominant firm, is regulated in roughly half of the world’s nations. The two most famous laws regulating monopolization are Section 2 of the Sherman Act, in the United States, and Article 82 of the European Community Treaty. Both laws have been understood as prohibiting ‘abuses’ of monopoly power.


Measuring Market Power When The Firm Has Power In The Input And Output Markets, Keith N. Hylton, Mark Lasser Mar 1998

Measuring Market Power When The Firm Has Power In The Input And Output Markets, Keith N. Hylton, Mark Lasser

Faculty Scholarship

We examine the problem of measuring market power when the firm has monopoly power in the output market and monopsony power in the input market - a case we refer to as 'dual-market' power. We show how the Lerner index, which measures the mark-up over the marginal cost, can be modified to reflect the firm's ability to set price above the competitive level.