Abstract
The tourism sector has been facing continuous growth. It plays a vital role in countries' economic development, highlighting the need to keep nurturing it by making it easier and more attractive. This paper presents Tourism as a Service - an innovative concept that aims to ease a day in the life of a tourist by integrating services that might be found spread out through separate tools and services, including ticketing in public transport and touristic attractions, route planning, information, among others. First, focus groups were done in order to understand the users' needs regarding the use of a mobile ticketing solution in tourism. The findings from the literature reviewed and the previous step were then prioritized by relevance in a questionnaire sent to potential users, allowing the creation of a medium-fidelity prototype. The validation through usability testing confirmed an interest in the proposed solution. The critical design choices surrounding the proposed solution were discussed along with improvements and further work to be done.

Abstract
The advantages associated with mobile ticketing solutions are undeniable; however, most of these solutions are designed for the local population without taking into account the specific needs of tourists. Therefore, this study fills an important research gap in the literature by assessing the adoption drivers of mobile ticketing services by tourists and pointing out possible directions to the design of such services. The proposed model includes constructs of the technology acceptance model (TAM), diffusion of innovations (DOI) theory, and others widely disseminated in the literature on mobile payments, such as mobility. The model was empirically tested through an online survey, and Structural Equation Modeling (SEM) was applied to analyze the data. The results show that the intention of tourists to use mobile ticketing services is positively affected by the perceived usefulness and mobility. The survey findings also describe additional services that respondents value in a mobile ticket service for tourists, both in normal and in pandemic contexts, useful to shape future mobile ticketing solutions for tourists.

Abstract
It is commonly assumed by the projects demonstrating concepts for positive energy districts in cities across Europe that citizens want and need to be involved in the development of these concepts as an essential condition for positive energy districts to be deployed successfully and to achieve the expected societal goals. Six different research and innovation projects are investigating the different forms of energy citizenship in positive energy districts and their impacts. They aim to apply a transdisciplinary approach to collaborative research and to impact assessment. The interim results are described, and preliminary conclusions on impact are drawn. The projects each used different approaches to engaging citizens, while differentiating between different groups. Progress is monitored but only fragmentary evidence on the impact has been gathered. Transdisciplinary approaches are being developed but are still immature.

Abstract
Despite the wide variety of literature on the impact of the COVID-19 pandemic in the service industry, there is still a lack of an integrated systematized view of these multiple impacts. This study contributes to service research by identifying a variety of academic and managerial perspectives about the influence of COVID-19. We pay attention to the service industry, but with an especial focus on the tourism and hospitality industries, which have been more severely affected. This paper presents two multi-approach studies blending a systematic literature review (SLR) and a focus group methodology. Hence, it integrates and synthesizes the main results of the two studies considered to assist researchers and practitioners. It offers a complete overview of the state of the art and identifies three key service trends that have been accelerated by COVID-19: (1) the increasingly digital and autonomous customer; (2) the growing potential of data-driven services versus privacy concerns, and (3) the evolution from firm-centric to customer-centric and networked business models. Finally, this study provides relevant theoretical implications where we suggest relevant theories, constructs, and methodologies for future research to advance the current knowledge, and useful guidelines for business managers to better understand how to respond to market changes.

Abstract
The recent evolution of service design, both as a sub-field of design studies and as an approach that is adopted and practiced by multiple actors in organizations, has led to multiple identities and roles of service design practitioners. This chapter uses the theoretical construct of professional identity to study this evolution through a qualitative study with key experts and practitioners. Results highlight the professional development of service designers in organizations from more operational and tactical roles to more strategic and leadership positions; the ongoing hybridization of service design practice and potential future scenarios; the transversal and vertical trajectories and strategies to develop design capabilities in organizations. © The Editor(s) (if applicable) and The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022.

Abstract
Smart grids enable large-scale integration of low-carbon energy sources and energy efficiency. However, changing customer energy consumption behavior has been a challenge, requiring the development of services that change the way customers relate with energy to increase energy efficiency and savings in households. To this end, this qualitative study in the Portuguese energy market offers a nuanced understanding of how customer cocreate value with smart energy services, identifying three different customer value cocreation practice styles and respective engagement behaviors). Study findings reveal that while AHEM (Advanced Home Energy Management) and MEM (Mobility Energy Management) customers are willing to play autonomous roles in managing the energy consumption and production, HFEC (Hassle Free Home Energy Consumption) customers may be open to adopt smart energy services without spending time and effort in using these services. The study offers relevant implications for policy makers and ESCOs (energy service companies). Although much attention has been paid to advanced customers, a nuanced approach may enable ESCOs to reach disengaged customers, by offering tailored services that are suited to their hassle free value cocreation practice styles. Policy makers may also explore tailored, and service focused incentives to push the adoption of smart service solutions in large-scale.