Compass Lexecon (Oakland)

Jith Jayaratne

Compass Lexecon (Oakland)
Executive Vice President

Jith Jayaratne is an Executive Vice President with Compass Lexecon and a Managing Director of Compass Lexecon’s Oakland/San Francisco Bay Area office. Prior to joining Compass Lexecon (formerly Competition Policy Associates), Dr. Jayaratne was a partner at AES Consulting. He specializes in antitrust analysis. He has provided testimony to regulatory agencies regarding the effects of mergers in several industries. He has published on simulating the price effects of mergers, cable television regulation, bank mergers, bank deregulation and on small business lending. He has led project teams that have supported testifying expert economists and attorney teams in several antitrust trials. Dr. Jayaratne has evaluated, in the context of a number of industries, the economic and competitive effects of mergers and joint ventures and the merits of antitrust claims of exclusive dealing, price fixing, monopolization, class certification, etc. He has experience working on antitrust issues in a number of industries, including healthcare, telecommunications, fiber optics, computers, chemicals, pre-recorded music and finance. Prior to joining AES, Dr. Jayaratne, who received his Ph.D. from Princeton University, was a research economist at the Federal Reserve Bank of New York. Subsequently, he was a Principal at Charles River Associates.


Dr. Jith Jayaratne is a Senior Vice President at Compass Lexecon with a practice in competition economics covering mergers, litigation and regulatory matters. He has published numerous papers on topics related to industrial organization, regulation and antitrust economics. He has consulted in numerous competition matters in a variety of industries. Prior to joining Compass Lexecon, Dr. Jayaratne was a research economist at the Federal Reserve Bank of New York, and subsequently he was a Principal at Charles River Associates.

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Compass Lexecon (Madrid)
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Compass Lexecon (Hong Kong)
Booth School of Business
Compass Lexecon (Düsseldorf)


Jith Jayaratne - Compass Lexecon
Jith Jayaratne 23 April 2015 Singapore


1014 Review

Jith Jayaratne, Laurence Idot, Wei Tan Cross Border Merger Controls and Notifications in the Asean Context (ASEAN Antitrust: The Future of Competition Law and Policy in the ASEAN Countries, Singapore, 24 April 2015)


The conference that took place in Singapore on the 23rd of April 2015 dealt with the future of competition law and policy in the ASEAN countries. The speakers of this panel mainly discuss three topics: the economic context of mergers in Indonesia and Singapore; convergence and differences on (...)

Janusz A. Ordover, Jith Jayaratne Thinking about coordinated effects


The 2010 US Horizontal Merger Guidelines offer a substantially modified framework for evaluating coordinated effects. Can we rationally anticipate that this will stimulate the same boom in the antitrust economics of coordinated merger effects as that spurred by the unilateral effects section (...)

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