John Cabot University ScholarShip
ScholarShip is the digital repository at John Cabot University. It provides an online space designed to archive, organize, preserve, and make accessible the digital scholarship faculty and students produce, showcasing the accomplishments of the University’s scholarly community.
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Publication The Impact of Humans vs. AI Recommendation on Consumer Reactions to Products Exposure(2025)This study compares consumer reactions to product recommendations provided by AI versus expert human agents for search and experience products. Across three experimental studies, we propose that the effect of recommendation source and product type on intention to follow the recommendation is explained by recommendation source’s perceived transparency and credibility. We demonstrate that AI is perceived as more transparent and credible than a human expert when recommending search products, leading to a higher intention to follow the recommendation, while no difference emerges for experience products. However, when the human recommender is described as a Super Expert – highly experienced, reputable, and qualified – consumers show a preference for the human (vs. AI) source in the case of experience products, while the difference between the two recommendation sources became nonsignificant for search products. Furthermore, when recommendations come from a hybrid source combining a Super Expert and AI, this combination is evaluated less favorably than either source alone for search products, with no significant difference found for experience products. These results offer valuable insights for marketers on how to select, design and deploy effective touchpoints that enhance the willingness to follow recommendations, depending on the product type.Publication Too Narrow to Help? Unveiling How Recommendation Agents’ Specialization Impacts User Choices(2025)On many online platforms, professional human recommenders have largely been replaced by Recommendation Agents (RAs): algorithms that can—at lower cost and higher speed—incorporate users’ explicit and tacit preferences into customized search results that help with the purchase decision process. RAs are often built around understanding users’ past preferences in order to make accurate recommendations that generally reinforce said preferences. This approach offers several advantages, but also limits consumers’ ability to consider options outside of their past interests—the so-called specialization issue. The present research hypothesizes that a specialized RA (vs. a generalized preference-weighted RA) reduce users’ willingness to accept the recommendation. This effect is sequentially mediated by users’ perceived breadth of knowledge, perceived control over the choice process and perceived reciprocity with the RA. To test these hypotheses, the authors programmed a functioning RA and implemented it in three experimental studies involving 705 online participants. Results confirm the hypotheses suggesting that users do sometimes want RAs to help them expand on, rather than merely reaffirm, their existing preferences, particularly when their product expertise is relatively low. Theoretical and managerial implications as well as avenues for future research are finally discussed.Publication Uncovering the Role of Weak Ties in Implicit Networks of Influence: A Network Analysis on Recommendation Algorithms’ Neighborhood(2025)Purpose In the contemporary postmodern context, consumers are often portrayed as liberated from social ties, fostering an environment conducive to individualism. Algorithmic artifacts, such as recommendation algorithms (RAs), are contributing to this paradigm by functioning as anti-link tools: they establish implicit social links among individuals with similar preferences, giving rise to clusters termed neighborhoods. These neighborhoods facilitate the provision of personalized suggestions based on shared interests, paradoxically fostering social connections amid the backdrop of individualism. RAs actively generate implicit networks of influence characterized by users sharing analogous preferences, thereby enhancing the predictability of user behaviors. Despite extensive research on explicit networks of influence and the impact of RAs on decision-making, there remains a scarcity of evidence on how users influence others within implicitly generated networks and the roles they play in shaping information flow across such networks. The purpose of this paper is to address this gap by examining how user interactions contribute to influence dynamics and information dissemination within implicit networks. Design/methodology/approach This study, drawing on the strength of weak ties theory, analyzes with a social network analysis a real-world network of 37,427 users and 1,300 products facilitated by RAs on an e-commerce platform. Findings The results contribute to literature on word-of-mouth (WOM) by clarifying the inherent characteristics and interconnections within implicit influence networks driven by recommendation agents (RAs). The findings identify the key users responsible for accelerating recommendations diffusion within these networks and reveal significant implications for scholars and marketers seeking to comprehend the effects of product recommendations in e-commerce contexts and refine their targeting strategies. Research limitations/implications The results contribute to the existing literature by highlighting the inherent characteristics and connections of implicit networks of influence facilitated by recommendation agents (RAs), identify the key users who facilitate the flow of the information inside the networks. Practical implications The paper shed light on substantial implications for WOM scholars and marketers aiming to understand the effects of product recommendations in an e-commerce setting and targeting processes. Originality/value To the best of authors’ knowledge, this study represents the first investigation into the implicit networks of influence facilitated by Ras.Publication Dynamic Welfare Analysis of Income Distributions: the Trade-off Between Equity and Long-Run EfficiencyI exploit the theory of stochastic orders to formalize preferences over sequences of income distributions that embody suitable principles of equity and efficiency. Intragenerational and intergenerational equity are combined into a new concept of equity that extends the Hammond’s equity principle (for infinite utility streams) to the realm of stochastic processes. The main result of the paper can be interpreted as follows: short-sighted, piecemeal economic policies that enhance equity may come at the expense of the income of generations in the far-off future. The proof of the instrumental lemma could be of interest in its own right because it uncovers the interplay between moment-generating functions and stochastic orders.Publication Social Enterprises as Chameleons: The Rise of Social Enterprises as Innovative Solutions to Complex Challenges in Italy(2025)We draw from historical institutionalism to investigate how historical contingencies shape the influence of multiple institutional logics on the emergence and institutionalization of a social innovation situated at the intersection of different institutional domains. Relying on a vast database of more than 500 archival sources, we show that the social enterprise organizational form emerged in Italy in the early 1980s as an innovative response to societal problems left unaddressed by the State. Initially, the social enterprise organizational form was mainly influenced by the cooperative logic. Over time, elements borrowed from the social welfare and commercial logics complemented the cooperative logic, resulting in greater heterogeneity in terms of characteristics of the social enterprises organizational model. This heterogeneity reflected the growing complexity and interplay of pressures from the cooperative, welfare, and market domains. Building on this evidence, we advance a multilevel, historically grounded understanding of the complex interplay between social innovations and the institutional orders in which they are embedded. In this way, we contribute to research on social innovations, historical institutionalism, and social enterprises.
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