The 2023 U.S. Merger Guidelines

<p><em>Table of contents</em></p><p>I. A Retrospective and Prospective Analysis</p><p>of Monopsony Power Under the Merger Guidelines</p><p>Logan Billman and Kristen Limarzi</p><p>II. Mergers That Increase Buyer Power and the Function</p><p>of Presumptions: Two Key Issues in the Revision</p><p>of the Merger Guidelines</p><p>Peter C. Carstensen</p><p>III. What's new in the 2023 Merger Guidelines</p><p>Joseph Farrell</p><p>IV. Common Ownership and the Merger Guidelines</p><p>Merritt B. Fox and Menesh S. Patel</p><p>V. Awakening Merger Control: The New U.S. Merger</p><p>Guidelines</p><p>Eleanor M. Fox</p><p>VI. Antitrust Ideology and the 2023 U.S. Merger Guidelines</p><p>Diana L. Moss</p><p>VII. The Missing Merger Guideline: On Efficiencies</p><p>Maureen K. Ohlhausen and Taylor M. Owings</p><p>VIII. Economics in the 2023 Merger Guidelines:</p><p>Three Areas of Concern</p><p>Jeremy Sandford Loren Smith and Nathan Wilson</p><p>IX. The Evolution (and Devolution) of Market Structure</p><p>Reasoning</p><p>Sean P. Sullivan</p><p>X. Market Delineation under the New Merger Guidelines:</p><p>Gerrymandering Redux</p><p>Gregory J. Werden</p>