Sustainability, as well as the sustainable use of resources and related issues, has inspired a long-lasting and lively debate among scholars of different disciplines. Due to under-investigation of several of the sustainability-related challenges, this paper aims to better understand the system dynamics that, supported by some digital enablers (e.g., digital technologies and platforms), boost the sustainability of complex service systems such as healthcare. To this end, the theoretical meta-model of interaction types, which inspired the prototype digital platform dedicated to the online delivery of health-related services, is presented. Moreover, some healthcare usage scenarios, based on the prototype’s functions, are analysed and discussed. This allows understanding of how important the role of technologies and, in particular, digital platforms, are in empowering actors and in making them willing to interact, and share their own resources in continually new ways. This paves the way for ongoing value co-creation, which is essential for healthcare system sustainability.

Over the last decades, circular economy and its implications for sustainability have gained momentum in several socio-economic domains (e.g., academia, industry, politics, society), even though the relationship between them remains poorly understood. This situation has blurred the conceptual definition of both terms, limiting their research and practice effectiveness. To counteract this situation, scholars and policymakers are approaching Circular Economy as able to inspire the development of sustainable development strategies and to increase the sustainability of the current economic system, balancing the need for economic development and the importance of protecting environmental resources and people wellbeing. Drawing on the previous considerations, this study aims to contribute to address this gap, better understanding how a circular economy approach can contribute to challenge the number of sustainability issues that currently affect supply chains. In doing so, the analysis has been focused on the investigation of a specific supply chain, the pasta supply chain. To this end, after a brief theoretical recognition, an interpretative model has been proposed for better recognizing and describing the enhancing actions that—at each supply chain’s stages—can improve process efficiency, output effectiveness and, therefore, the overall sector sustainability. However, it is worth noting that the inherently theoretical nature of the study somewhat limits it; therefore, future empirical research is needed to further test the proposed model, applying it to other real applicative sets.

This paper presents an agent-based model for the sharing economy, in the short-term accommodations market, where peers participating as suppliers and customers follow simple decision rules about sharing market participation, according to their heterogeneous characteristics. Simulations results show that, in the competition between the sharing economy and the traditional industry, low substitutability occurs between goods if consumers are differentiated in preferences. The main determinant for market performance in both sectors is the demand level, with minor influence of price setting and competition within and between markets.

This paper deals with the relationship between individual preferences and the use of cash. Building on insights from economic and psychological literature, we present an agent-based model simulating consumers’ behaviour when choosing which mean of payment to use, according the value of the transaction. Assuming heterogeneous preferences for mean of payment, results show that the number of cash transactions and their value strongly depend on both the consumption and the preference structure. Results are validated with EU countries’ data, considering different national policies adopted on the cash usage.