... Start-ups Smart cities Circular economy Urban sustainability AI-simulated illustration Synthetic personas Conceptual framework In recent years, the acceleration of urbanisation alongside escalating ecological and digital imperatives has contributed to the redefinition of smart cities...

... management systems and show the need for action while providing measures for improvement (Klute-Wenig and Refflinghaus, 2015). However, these approaches are not appropriate for microenterprises and start-ups, but guidelines and instructions for these companies are scarce. Start-ups and microenterprises...

... systems. However, these approaches are not appropriate for microenterprises and start-ups as their processes are rather informal or not yet specified. Moreover, these companies are often in a phase of strong growth and have only one person in charge; hence, they face the difficulty to decide if and how...