This work addresses economic administrative law, which is a key area of special administrative law in the study of legal science. In addition to the constitutional and European legal foundations, the various administrative law sectors of this legal field are presented. The author explains the traditional subjects of economic administrative law, particularly the individual areas of trade law, and places special emphasis on the current legal matters of public economic law. This includes, above all, the infrastructure sectors of energy, transportation, and communication. The volume follows the established guidelines of the series "Basic Outlines of Law." Essential knowledge is conveyed in a compact and systematically convincing manner. Numerous examples, overviews, and graphics facilitate understanding. Advantages at a glance - compact and systematic.