The Sound of One Hand Clapping: The 2010 Merger Guidelines and the Challenge of Judicial Adoption

J.Stone, J.Wright, here

The 2010 Horizontal Merger Guidelines: A Static Compass in a DynamicWorld?

J.Ezrielev and J. Ordover, here.

Revising the Horizontal Merger Guidelines: Lessons from the E.U. and the U.S.

Richard J. Gilbert and Daniel L. Rubinfeld, here

Scoring Unilateral Effects with the GUPPI: The Approach of the New Horizontal Merger Guidelines

CRA Competition Memo, here.

2010 US Horizontal Merger Guidelines Released

Here.

Proposed Horizontal Merger Guidelines: "Some" Economists' Comment

Here, see also the list of all the comments received so far. Interestingly, also the Russian Competition Authority decided to express its view. 

AAI on the US Proposed Horizontal Merger Guidelines

AAI Submits Comments to FTC and DOJ on Proposed Horizontal Merger Guidelines, Robert Lande.

US Horizontal Merger Guidelines: Revision Released for Public Comment

Here.