NERA President Dr. Lawrence Wu co-authored a new book on antitrust class actions with Michele Floyd, a partner in the San Francisco office of Sacks Ricketts & Case LLP. The book examines recent changes in the way courts are reviewing and deciding antitrust class actions and the resulting impact on the ways such cases are litigated today. The authors note that courts are demanding more rigorous evidence from both plaintiffs and defendants at the class certification stage—evidence that historically might not have been considered until the merits phase of the litigation. The book highlights the powerful role of economics in bringing statistical evidence and insights to the courtroom, and the landmark cases that have shaped the way courts now think about class certification.