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TRES ENSAYOS SOBRE ESTRATEGIA Y CRECIMIENTO DE PLATAFORMAS
Full text linkEsta disertación examina la estrategia de plataforma y el crecimiento. Consiste en tres capítulos que proyectan luz sobre un fenómeno relativamente novedoso: las asociaciones estratégicas de una plataforma. Capítulo 1 construye una revisión de literatura integradora sobre la estrategia de plataformas para proveer una visión comprensiva del estado actual de la literatura en varios campos. Capítulos 2 y 3 son estudios empíricos que utilizan una muestra novedosa y recopilada manualmente de 32 plataformas de crowdfunding de inversión en Europa. Específicamente, Capítulo 2 investiga cómo y cuándo los recursos que una plataforma proporciona a sus complementadores a través de socios externos pueden afectar el crecimiento de la plataforma. Encontramos que existen compensaciones estratégicas para el crecimiento de la plataforma a través de asociaciones. Las asociaciones pueden aumentar el número de complementadores que ingresan a la plataforma, pero el tamaño promedio de dichos complementadores es menor. Capítulo 3 estudia cómo la competencia entre plataformas afecta la estrategia de una plataforma para involucrarse en asociaciones. Encontramos que, tras un aumento en la competencia, solo las plataformas con alta participación de mercado y altos niveles de diferenciación se involucran en asociaciones. Los estudios ofrecen varias implicaciones para los gerentes de plataformas, complementadores y reguladores, y proporcionan direcciones para futuras investigaciones.This dissertation examines platform strategy and growth. It consists of
three chapters that shed light on a relatively novel phenomenon – i.e., strategic partnerships of a platform. Chapter 1 builds an integrative literature review on platform strategy to provide a comprehensive overview of the current state of literature in various fields. Chapters 2 and 3 are empirical studies that use a novel, hand-collected sample of 32 equity crowdfunding platforms across Europe. Specifically, Chapter 2 investigates how and when the resources that a platform provides to its complementors through external partners can affect the growth of the platform. We find that there are strategic tradeoffs to platform growth through partnerships. While partnerships may increase the number of complementors entering the platform, the average size of such complementors is smaller. Chapter 3 studies how platform competition affects the strategy of a platform to engage in partnerships. We find that, after an increase in competition, only platforms with high market share and high levels of distinctiveness engage in partnerships. The studies offer several implications for platform managers, complementors, and regulators and provide directions for future research
Gestión del Cumplimiento y Gestión del Riesgo en la Industria del Cuidado de la Salud
Full text linkEsta tesis investiga cómo las organizaciones que operan en entornos altamente regulados gestionan las demandas concurrentes de cumplimiento normativo y gestión de riesgos de seguridad de la información. Basándose en la teoría de Oliver (1991) sobre las respuestas estratégicas a las presiones institucionales, el estudio examina cómo las organizaciones responden a las presiones externas e internas superpuestas, particularmente bajo limitaciones de recursos.
Guiado por dos preguntas centrales de investigación: (1) ¿Cómo gestionan las organizaciones el cumplimiento y la gestión de riesgos al mismo tiempo? y (2) ¿Cómo asignan recursos para maximizar el cumplimiento y minimizar los riesgos de seguridad?: el estudio adopta un enfoque integrador que tiende un puente entre los dominios tradicionalmente aislados de cumplimiento, gestión de riesgos y seguridad de la información.
La investigación emplea un diseño empírico de dos partes: un análisis de contenido de las políticas de cumplimiento de 30 organizaciones de atención médica y un estudio de caso de un hospital infantil que implementa un sistema de Receta Electrónica para Sustancias Controladas (EPCS) exigido por la DEA. Los hallazgos contribuyen a la teoría al identificar una táctica previamente no documentada, la priorización, que las organizaciones utilizan para reconciliar las demandas institucionales que compiten entre sí. Otra contribución teórica es el desarrollo de un modelo de proceso y un conjunto de proposiciones que ilustran cómo las organizaciones que operan en entornos altamente regulados navegan por los imperativos duales del cumplimiento y la gestión de riesgos.
Al vincular los artefactos de políticas con el comportamiento organizacional del mundo real, esta tesis ofrece perspectivas académicas y prácticas sobre cómo las organizaciones navegan por la complejidad institucional, mejoran la madurez del cumplimiento y alinean las necesidades regulatorias y de seguridad.This dissertation investigates how organizations operating in highly regulated environments manage the concurrent demands of regulatory compliance and information security risk management. Drawing on Oliver’s (1991) theory of strategic responses to institutional pressures, the study examines how organizations respond to overlapping external and internal pressures—particularly under resource constraints.
Guided by two central research questions—(1) How do organizations manage compliance and risk management concurrently? and (2) How do they allocate resources to maximize compliance while minimizing security risks?—the study adopts an integrative approach that bridges the traditionally siloed domains of compliance, risk management, and information security.
The research employs a two-part empirical design: a content analysis of compliance policies from 30 healthcare organizations and a case study of a children's hospital implementing a DEA-mandated Electronic Prescription for Controlled Substances (EPCS) system. The findings contribute to theory by identifying a previously undocumented tactic—prioritization—that organizations use to reconcile competing institutional demands. Another theoretical contribution is the development of a process model and a set of propositions that illustrate how organizations operating in highly regulated environments navigate the dual imperatives of compliance and risk management.
By linking policy artifacts with real-world organizational behavior, this dissertation offers both scholarly and practical insights into how organizations navigate institutional complexity, enhance compliance maturity, and align security and regulatory needs.yesPublishe
“Less Is More” for Health: How Minimalism Reshapes Food Consumption Patterns and Preferences
Full text linkMinimalism has become an increasingly prevalent lifestyle, yet its influence on consumers’ food consumption patterns and preferences has not been examined previously. Across three main studies and a supplementary study (N = 1,105), we find replicating evidence that minimalism can reduce preference for unhealthy food consumption while promoting healthier choices. We identify a minimalism = healthy association that consumers explicitly recognize and apply in their dietary decisions. Specifically, minimalism influences food consumption patterns, through a dual self-control process of increasing the internal conflict and reducing the strength of desire for consuming unhealthy foods. The findings hold regardless of consumers’ dietary habits (e.g., restrained eating, dietary restrictions, or time since last meal) and demographic factors, and are supported by studies using diverse methodologies and food options. Our research shows that the effect of minimalism on food consumption extends beyond reducing overall quantity of intake (as suggested by the less is more philosophy)—it also shifts consumption patterns toward qualitatively healthier options. These findings advance the literature on consumer minimalism, food-related intuitions, and self-control, offering valuable insights for public health policymakers, wellness influencers, content creators, and marketers aiming to promote healthy eating.This paper was partially funded by MCIN/AEI/10.13039/501100011033/FEDER, UE Grants No PID2022‐140723OA‐I00 and partially by University of Liverpool, UK.YesPublishe
Socioemotional wealth (SEW) across borders: Integrating national context into SEW research
No full textThis study addresses the challenges associated with integrating the national context into socioemotional wealth (SEW) research and highlights the consequences of overlooking contextual variations. We emphasize two critical issues: inadequate testing of SEW assumptions and threats to the construct validity of SEW measurement. We recommend that cultural and institutional aspects of the national context should be incorporated to understand how family owners prioritize SEW dimensions, and how their willingness trades off current SEW wealth for prospective financial gains. We also conduct an exploratory study measuring the FIBER scale in Canada, Mexico, Saudi Arabia, Spain, and Vietnam. We survey 1464 family owners to enhance SEW construct validity by probing the cross-country measurement invariance of the FIBER scale. Furthermore, we conduct comparative research to investigate how cultural and institutional aspects shape the FIBER dimensions across national contexts.The authors received financial support from the Basque Government (Grant number IT1641-22). We also highly appreciate the institutional support received from the Family Business Centre at the UPV/EHU in collaboration with the DFB/BFA.YesPublishe
Digital guidework for augmented thin-tile vaulting construction
No full textMasonry vaults are mechanically efficient structures but deemed uneconomical because of falsework construction. Even a craft like thin-tile vaulting, which does not require centering to support the vault during construction, needs time-consuming guidework to aid the builders follow the vault's geometry. However, this visual support can be digitized, using augmented reality to create digital guidework. The proposed methodology provides a framework that empowers vault builders to remain in control of their analog craft by providing only the right digital visual information. This methodology was developed through a preliminary prototype that led to a demonstrator built in an uncontrolled outdoor environment. Construction results showed productivity gain around 30% in terms of time, and shape accuracy under 1% of the span. The static holographic projection of the guidework could be extended in future research into an interactive aid, through mixed reality for further construction productivity and accuracy, as well as for training and design.yesPublishe
Investors' attention and the paradox of technologically related diversification: Evidence of stock market mispricing
Full text linkResearch Summary: We show that multi-business firms pursuing technologically related diversification often face a paradox. While such strategies can yield superior financial performance through technological synergies, investors with limited attention tend to undervalue them due to their complexity. Using asset pricing methods, we find that these firms consistently outperform market expectations. The degree of mispricing depends on investor attention and the availability of information needed to assess the strategy's value. Our findings highlight how informational frictions can distort market valuations of complex corporate strategies. Managerial Summary: Firms diversifying across technologically related businesses may unlock significant value through synergies—but this value is often missed by investors. The complexity of these strategies challenges investor understanding, leading to market undervaluation. We find that improving how firms communicate their technological capabilities—such as using clearer, more familiar language in patent disclosures—can enhance investor recognition and improve market valuations.yesPublishe
Toxicity-Based Evaluation of Material Recovery Potential in the Built Environment
Full text linkMaterial recovery operations like recycling are now a common part of many product categories, and yet quantifying recycling potential is still a largely unresolved issue. Prior research into this matter focused on market value as an indicator of the readiness of recycling technologies. Although this is an effective measure, it fails to recognize the environmental, societal, and other impacts of recycling operations. Aiming to expand the evaluated factors of recycling potential, this article centers on assessing recyclability from a toxicity and human health perspective. The article describes the development of a toxicity index for recyclability, which is explained and demonstrated in a comparative study of four building material categories. Findings indicate that post-consumer content in synthetic products reduces toxicity and health-related impacts, while recycled content in extracted natural materials increases their toxicity and health impacts. The article concludes with a discussion about the implications of the findings, survey limitations, and future work.YesPublishe
AI Policies in Academic Publishing: New Approaches to Transparency, Ethics, and Accountability
Full text linkAs Artificial Intelligence (AI) continues to influence academic publishing, its integration has introduced both innovative advancements and complex ethical challenges. This paper explores AI policies implemented by major academic publishers, including Elsevier, Springer Nature, Wiley, Taylor & Francis, and others, aiming to understand how these policies guide ethical AI use and maintain research integrity. The central research question driving this analysis is: In what ways do AI policies shape transparency, ethical responsibility, and accountability in the context of academic publishing?
Methodology:
To answer this question, we conducted a comparative policy analysis, examining documents and guidelines provided by key academic publishers. Policies were analyzed to assess criteria such as transparency, author accountability, ethical standards, confidentiality, and intellectual property considerations. Each policy was evaluated for directives on AI use across three primary areas: authorship, manuscript preparation, and peer review processes. By mapping out common principles and unique variations, this analysis identifies emerging trends in how publishers navigate AI's evolving role within academic publishing.
Results:
Our findings reveal a shared emphasis on transparency and author responsibility. Across all policies, publishers mandate that authors disclose any AI usage in their manuscript preparation, typically within the Methods or Acknowledgments sections. This requirement supports transparency and allows reviewers to better understand the scope of AI assistance. Furthermore, policies consistently prohibit AI from being listed as an author, underscoring the idea that AI lacks the original thought and accountability that human authors provide. Confidentiality emerges as another core tenet, with most publishers discouraging the use of AI in peer review, as uploading manuscripts to AI platforms could compromise privacy and data security. Ethical considerations further extend to AI-generated visuals and data manipulation, with restrictions placed on using AI to fabricate, alter, or misrepresent images or datasets.
Significance:
The implications of these findings are significant in promoting ethical standards and preventing potential misuse of AI in academic research. As the AI landscape evolves, these policies represent essential guidelines, positioning publishers as gatekeepers of research integrity. They advocate for transparency in AI disclosures and underscore the need for human accountability, both crucial for maintaining trust in the scholarly record. In establishing clear boundaries for AI's role, these policies also anticipate future technological advancements, promoting adaptability and vigilance among authors, reviewers, and editors.
This study contributes to the broader discourse on AI governance by illustrating how academic publishers are actively shaping the ethical framework around AI in research. It serves as a valuable resource for researchers, institutions, and policymakers interested in fostering an ethical integration of AI in academia. In sum, by enforcing transparency, prioritizing accountability, and addressing ethical risks, these policies not only protect the credibility of academic research but also support a responsible transition to AI-enhanced scholarly communication.síPublishe
Staged trees for discrete longitudinal data
Full text linkIn this paper we investigate the use of staged tree models for discrete longitudinal data. Staged trees are a type of probabilistic graphical model for finite sample space processes. They are a natural fit for longitudinal data because a temporal ordering is often implicitly assumed and standard methods can be used for model selection and probability estimation. However, model selection methods perform poorly when the sample size is small relative to the size of the graph and model interpretation is tricky with larger graphs. This is exacerbated by longitudinal data which is characterized by repeated observations. To address these issues we propose two approaches: the longitudinal staged tree with Markov assumptions which makes some initial conditional independence assumptions represented by a directed acyclic graph and marginal longitudinal staged trees which model certain margins of the data.yesPublishe
Young Consumers' ICT Use and Digital Maturity: A Computational Literature Review, Integrative Framework, and Future Research Agenda
Full text linkThis study conducts a computational literature review (CLR) of 1076 peer-reviewed publications (1972–2024) to map how youth ICT engagement has been studied across the social sciences. Using unsupervised topic modeling, we identify 14 latent topics, which cluster into five domains: digital learning, online risk and well-being, identity and social interaction, digital marketing, and media consumption. Our findings reveal deep fragmentation—particularly the lack of integration between emotional regulation, autonomy, and digital literacy. Building on these insights, we propose an integrative framework that positions digital maturity as a developmental mediator and conceptual bridge linking antecedents (e.g., family environment, platform design) with behavioral outcomes such as agency, adaptability, and resilience. This synthesis provides a nuanced theoretical perspective for explaining behavioral development in digital contexts, advancing theory beyond discrete, skills-based models. Finally, the paper offers practical insights for educators (e.g., tailoring instruction to digital maturity archetypes), marketers (e.g., designing ethical, age-appropriate digital tools), and policymakers (e.g., refining youth digital literacy and citizenship initiatives) to support the successful maturation of young consumers in a digital world.yesPublishe