CRA economists advised King & Spalding, counsel to WestRock Company (WestRock), on the acquisition of KapStone Paper and Packaging Corporation (KapStone), both major North American producers of containerboard and kraft paper. CRA prepared extensive econometric analyses and economic modeling submissions to address questions raised by the US Department of Justice (DOJ). CRA also assisted with WestRock’s compliance with the DOJ’s Second Request. At the conclusion of its investigation, the DOJ granted unconditional antitrust clearance for the transaction.
CRA experts nominated for prestigious 2026 Antitrust Writing Awards
The Editorial Committee selected the top academic and business articles published in the past year. These awards honor originality, contribution to competition...


