Traceability is the ability to follow the displacement of food through its entire chain. Extra virgin olive oil (EVOO) represents Italian excellence, with consumers’ increased awareness for traceability. The aim of this work is to propose and analyze the economic sustainability and consumers’ preference of three technological systems supporting traceability: Near Field Communication (NFC) based; tamper-proof device plus Radio Frequency Identification (RFID) and app; QR code tag plus “scratch and win” system and blockchain. An anonymous questionnaire to Italian consumers (n = 1120) was made to acquire consumers’ acceptability of the systems and estimating their willingness to pay additional premium prices for these. An economic analysis estimated and compared the technology costs at different production levels. Results show that 94% of the consumer respondents are interested in the implementation of such technologies, and among them 45% chose QR-code protected by a “scratch-and-win” system with a blockchain infotracing-platform (QR-B). The consumers interested are willing to pay a mean premium price of 17.8% and economic analysis reported evidenced an incidence always lower than mid-/high-production levels. The success of the QR-B could be ascribed to different aspects: the cutting-edge fashion trend of blockchain in the food sector, the use of incentives, the easy-to-use QR-code, and the gamification strategy.
Contemporary research on Roma from diverse disciplines has grown strongly during the last years. This is the first bibliometric study on the field of Romani studies considering the period 1997-2018 with the aims of mapping scholar's disciplines and analyzing localiza-tion and their thematic contributions. The world evolution of Roma research topics and their citation impacts has been analyzed using a Network Analysis approach. The Scopus database was used to retrieve bibliographic records on Gypsy and Roma research. The bib-liometric analysis of scholarly endeavour identifies three principal clusters: 'History and Culture', 'Education', and 'Discrimination and Policy'. Results shows that scholars became more attentive to Roma issues as it became an important topic in public debate. Informed by this analysis, questions are raised about how to strengthen connectivity, collaborative research and knowledge exchange beyond national and disciplinary borders. In the term citation map among the most followed themes by number of normalized average quotations , the topics of 'Discrimination and Policy' analysis undeniably emerges. In the current historical moment characterised by rising ethno-nationalism and racism we intend that this paper informs further research that will deepen our understanding of the contributions of different social science disciplines with regards to epistemology, methodology and impact.
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