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Highlights Teleconsultation is a way to cure patients and limit the spread of COVID-19. We conduct a large scale survey and data analysis across four countries. Performance expectancy is key for the intention to use teleconsultation. Personal traits directly impact effort expectancy. Contamination avoidance and availability influence performance expectancy.

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PurposeMost businesses strive to control the efficiency of their supply chains; however, luxury firms face additional challenges from counterfeit, gray market and copycat products. Blockchain technology can address these issues and enhance firms' supply chain management, guaranteeing the traceability and origin of luxury products. Therefore, this study aims to investigate the utility and contexts influencing the implementation of blockchain technology to optimize supply chain management and prevent fraud in the luxury industry.Design/methodology/approachThe research uses a qualitative approach based on the grounded theory method. Data are collected by semi-structured interviews with 12 stakeholders working on blockchain applications in the luxury business sector.FindingsHighlighting the problems faced by luxury brands' supply chains, this study presents blockchain technology as a solution for disintermediation, traceability and transparency in the luxury goods sector. The constraints faced by luxury brands incorporating this technology into their ecosystem include the knowledge gap, the multiplicity of third parties involved in the production process and bias toward short-term returns on investment.Originality/valueBlockchains promote greater transparency and efficiency within supply chains, which builds consumer trust and improves brand revenue. Considering luxury brands' reluctance to adopt blockchains, this study suggests that luxury firms adopt a staggered implementation of private blockchain networks starting with a small number of third-party suppliers.

Highlights Technology contributes to peace in democracies but may not in non-democracies. E-voting provides benefits but also raises concerns and conflicts. Blockchain transparency and traceability can reduce concerns about e-voting. The benefits of peace engineering in elections depend on human factors. Trust in both tool and system is key for adopting disruptive technologies.