Digitalization of businesses has received much attention in recent years. Many different domains of academic research are today increasingly concerned with the how firms are affected by digitalization and how they can realize the novel opportunities that have emerged. Digital Business is increasingly regarded as a distinct topic within academia. As the roots of such a concept can be derived from a wide range of different literature fields such as information systems, entrepreneurship, strategic management, innovation management, systems innovation etc there is presently a need for bringing these diverse approaches together. This course provides an overview of the subject Digital Business with a particular focus on industrial dynamics, i.e. the competitive implications for firms and industries. In doing so, it prepares the doctoral student for performing research within the subject of digital business.