The notion of smart and sustainable cities offers an integrated and holistic approach to urbanism by aiming to achieve the long-term goals of urban sustainability and resilience. In essence, a smart and sustainable city is an urban locality that functions as a robust system of systems with...

This interview comprises the opening part of a doctoral defense in which Christian Nielsen acted as Sari Perätalo's opponent. The defense took place on November 24, 2023, at Oulu Business School, Finland, and the topic was "In search of a business model approach for smart cities." After the...