The Directorate General for Competition at the European Commission enforces competition law in the areas of antitrust, merger control, and state aids. This year's article provides first a general presentation of the role of the Chief Competition Economist's team and surveys some of the main achievements of the Directorate General for Competition over 2018/2019. The article then reviews the Siemens/ Alstom merger, the Google Android case, as well as two state aid cases that related to a public service compensation for obligations that involved press delivery in France and Italy. Keywords Antitrust • Competition policy • Mergers • State aid • European champions • Google • Net avoided costs This article provides first an overview of the activity of the Directorate General for Competition of the European Commission (DG Competition) in 2018/2019 that is related to antitrust, mergers, and state aid (Sect. 1). In the following sections, the contribution by the Chief Economist Team (CET) to the economic analysis in