Dr. Haider provides expert economic testimony, economic research and analysis in the areas of antitrust, labor and employment, false advertising, and commercial damages. She has testified in federal court and in depositions and arbitrations. Dr. Haider has particular expertise in the application of microeconomics, statistics, and econometrics to litigation issues.

In antitrust, Dr. Haider regularly evaluates economic analyses and provides testimony related to allegations of price fixing, bid rigging, monopolization, and exclusive dealing. A substantial portion of Dr. Haider’s practice and research is focused on economic issues relating to class certification with respect to both direct purchaser and indirect purchaser litigation. Dr. Haider recently served as the testifying expert on behalf of defendants in both the direct purchaser and indirect purchaser actions in In Re: Lithium-Ion Batteries Antitrust Litigation, where class certification sought by direct purchasers and indirect purchasers was denied. She also served as the consulting expert on behalf of defendants in the matter In Re: Photochromic Lenses Antitrust Litigation, where class certification sought by the direct purchasers was denied and the magistrate judge recommended denial of class certification sought by the indirect purchasers. Dr. Haider has provided consulting expertise in a number of other class action matters as well, including recently in In Re: Pool Products Distribution Market Antitrust Litigation where the court granted summary judgment to the distributor defendant. Dr. Haider provided econometric and economic analysis challenging the appropriateness of plaintiffs’ class-wide methodologies in these and various other matters. Dr. Haider submitted an amicus brief to the United States Supreme Court in Comcast vs. Behrend on the role of economic analysis in assessing the appropriateness of class certification in antitrust class actions. She has written papers and given numerous talks on the economics of class certification.

Dr. Haider also has significant experience evaluating damages approaches in antitrust matters. She has provided her expertise in a wide variety of industries, such as the automotive parts, manufacturing, electronic, health care, pharmaceutical, chemical, agricultural products, building products, consumer products, financial, and airline industries.

In the labor and employment arena, Dr. Haider has expertise in a range of areas including the economics of discrimination, wage and hour claims, labor class actions, and wrongful termination.


  • American Bar Association
    • Associate Editor, Antitrust Magazine, 2015-2017
    • Section of Antitrust Law, Co-Chair of Economics Committee
    • Section of Labor and Employment Law, Member


  • Senior Consultant, NERA Economic Consulting
  • Consultant, The World Bank
  • Research Assistant, Columbia University and NBER

Case Experience

Case Experience

Insights & News


  • Antitrust Magazine | 04.26.2016

    In "Turning Daubert on its Head: Efforts to Banish Hypothesis Testing in Antitrust Class Actions," Edgeworth Partners Dr. Laila Haider, Dr. John Johnson, and Dr. Gregory Leonard discuss the recent attempts by plaintiffs to exclude expert evidence and opinions offered by defendants' expert economists with the argument that the experts’ statistical testing of plaintiffs’ proposed methodology does not satisfy the Daubert standard for the admissibility of expert testimony. 

  • Law360 | 12.05.2014

    Drs. Laila Haider and Muneeza Alam provide commentary on a recent ruling and the judge's reference to "sub-regressions."

  • Law360 | 04.04.2013

    Dr. Laila Haider and Dr. John Johnson discuss the role of rigorous analysis in the U.S. Supreme Court’s most recent antitrust ruling in Comcast Corp. v. Behrend.

Speaking Engagements




  • Airline Industries
  • Agricultural Products
  • Automotive Parts
  • Building Products
  • Chemical
  • Consumer Products
  • Electronic
  • Financial
  • Health Care
  • Manufacturing
  • Pharmaceutical


Dr. Haider received her PhD in economics, with distinction, from Columbia University and her BA in economics, summa cum laude, from Gettysburg College.

Jump to Page

This website uses cookies to improve functionality and performance. By continuing to use this website, you agree to the use of cookies in accordance with our Privacy Policy