"Digitalization in Open Economies" is a scholarly book that explores the impact of digitalization on open economies. The author, Michael Vogelsang, examines the complex relationships between digital transformation, economic policy measures, and macroeconomic variables. By analyzing networks, IT services, and digital goods, a comprehensive understanding of the digital economy is developed. The book integrates these components into macroeconomic models of trade theory to formally describe the interactions between digitalization and economic factors. It provides valuable insights into the challenges that digitalization poses for economic policy and regulation, highlighting the need to adapt economic strategies to the digital reality.