"This is the first systematic analysis of the class structure of professionals. Their growing numbers, including mainly non-managerial professional employees as well as self-employed professionals, professional employers and professional managers, have been conflated in most prior studies. In...

und Problemstellung -- Begriffliche Grundlagen -- Theoretische und konzeptionelle Grundlagen -- Methodische Grundlagen und empirische Ergebnisse -- Implikationen für Wissenschaft und Praxis -- Zusammenfassung.