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This study aims to examine individual behaviours regarding coronavirus disease-2019 vaccine brands.

Firstly, qualitative research identified the reasons for vaccine hesitancy in relation to specific brands using data gathered from 36 semi-structured interviews and processed with Leximancer software. Secondly, a new conceptual model was developed with data from 917 questionnaires and analysed using partial least squares-structural equation modelling. The model integrates health treatment effectiveness, vaccines’ immediate health benefits and individuals’ hope as antecedents of perceived vaccine brand reliability and company reputation and their relationships with choice uncertainty.

The results reveal that vaccine hesitancy can be linked with individual, group and contextual and vaccine brand influences and that brand reliability and company reputation antecedents have variable but statistically significant effects on choice uncertainty.

This research’s contribution lies in its analyses of vaccine acceptance and uncertainty from a vaccine brand perspective. The results can guide brand management policies implemented by public and private organisations.

This study contributes to academic literature by filling in two gaps. The first was that no prior studies have directly addressed vaccine brands’ impact, whereas the second gap was the need for brand management policies that public (e.g. governments and public health agencies) and private organisations (e.g. pharmaceutical laboratories) can apply.

Circular economy (CE) is receiving increasing worldwide attention as a manner to overcome the challenges linked to current trends of unsustainable energy and resource consumption. This paper aims to fill this gap and analyze the adherence to sustainable, access-based and collaborative consumption practices by exploring the role of CE awareness, specifically in the context of Porto, the second-largest city of Portugal.

The methodology of choice is quantitative, based on partial least square-based structural equation modeling.

The result shows that there is an influence of CE awareness on subsequent sustainable consumption models.

Present research contributes to the theory on CE awareness and sustainable consumption. It proposes a model that could be applied in other countries. As this research is developed within the city of Porto, it may limit generalizations of obtained results.

As CE practices are embodied into national and local policies, this research contributes to understanding local contexts of CE practices dissemination, providing practical suggestions for businesses and policymakers aiming the transition to the CE.

An original approach to measuring the awareness of CE economy is proposed, that is analyzed not only from the familiarity perspective but in six dimensions of its construction: familiarity, importance, perception or interpretation, advantages, social impact and barriers in this process. Further, the conceptual model of the impact that these dimensions have on the adoption of sustainable consumption models (purchase of sustainable products, access-based and collaborative consumption) is proposed.

This study aims to address the macroeconomic factors effect on the travel and leisure (T&L) industry throughout Europe within the context of the Russo-Ukrainian war that have started on 24 February 2022. Specifically, top tourist destinations are analysed, such as Spain, France, Italy and Portugal, as well as Europe in general.

This study adopts the panel regression approach based on the data that is provided on a daily basis, and it covers a period of nearly 14 months, starting on 24 February 2022 and ending on 15 April 2023.

The findings indicate that the European T&L sector is impacted by macroeconomic variables. Namely, the T&L sector is significantly impacted by interest rates, geopolitical risk, oil and gas, whereas inflation has a muted effect, indicating a comparatively lesser influence on the dynamics of the industry. This research contributes to existing literature by providing one of the first quantitative analyses of how macroeconomic factors impact the European T&L business in the context of a geopolitical conflict.

A study of the Russian–Ukrainian war may be limited by a number of research constraints. The continuing nature of the conflict, the lack of communication between the parties and potential political prejudice are some of these difficulties. Any research on the Russo-Ukrainian war should be done with these limits in mind.

Macroeconomic variables play a significant role on the T&L sector development; therefore, when designing resilience strategies, they need to be accounted for.

To the best of authors’ knowledge, this is one of the first studies to analyse how macroeconomic factors affected the European T&L business using a quantitative approach. The macroeconomic variables that were taken into account in this study included interest rates, inflation, oil and petrol prices, as well as the geopolitical risk index.

This study aims, first, to understand consumers’ perception of chefs as human brands (i.e. study one). Second, tests were run to assess the validity of a new conceptual model of the relationships between the factors of chef image, luxury restaurant image, both images’ congruity and consumers’ hedonic and novelty experiences and happiness and well-being (i.e. study two).

The first qualitative study involved using Leximancer software to analyse the data drawn from 43 interviews with luxury restaurant clients. In the second quantitative study, 993 valid survey questionnaires were collected, and the proposed model was tested using structural equation modelling.

The results reveal that consumers perceive chefs as human brands and the associated narratives include both performance- and popularity-based characteristics. The findings support the conclusion that individuals give great importance to chefs’ image and the congruence between chefs and their restaurant’s image. In addition, luxury restaurant image only affects novelty experiences, and both hedonic and novelty experiences have a positive effect on customers’ happiness and well-being.

This research focused on Portuguese luxury restaurants. The consumers’ happiness and well-being needs to be replaced by other outcomes to confirm if the model produces consistent results.

The results should help luxury restaurant managers understand more fully which pull factors are valued by their clients and which aspects contribute the most to their pleasure and welfare.

This study adds to the extant literature by exploring consumers’ perceptions of chefs as human brands and the role these chefs’ image play in customers’ luxury restaurant experiences and perceived happiness and well-being.

This study aimed to detect the relationships between mindfulness and events participation, and then between the later and psychological empowerment.

The proposed model's underlying hypotheses were empirically tested with data collected through an online survey addressed to a convenience sample of frequent leisure participants (n = 199). The authors applied the structural equation model (SEM) to confirm the aforementioned relationships. To assess the adequacy of the psychometric properties of the measures, the authors performed a confirmatory factor analysis of the measurement model, with a maximum likelihood estimation method.

Under the effects of the lockdown period environment, the results express a positive relationship between a mindful state of mind – related to observation/attention – and the yearnings and perceptions about the participation in events. This relationship for consistency was proven to be moderated by the perception of the participation importance to the individual subjective well-being/mental health. Due to participation insights, there was a positive effect on psychological empowerment, supporting the relationship that had been hypothesized.

The authors propose and test a new model that contributes to the theory and examines how mindfulness behavior can effect more alluring and intense participation in events and what are the anticipated outcomes in terms of psychological empowerment.

This study aims to fill various gaps detected in the literature on mass prestige (hereafter referred to as masstige) theory. The originality of the work stems from the multidimensional application of Paul’s (2015) model, the introduction of brand addiction as a construct from the consumer-brand relationship (CBR) theory within the context of wines and the exploration of a new and less studied sector in masstige strategies.

A structured questionnaire was distributed to collect data from masstige wine brand buyers in Portugal, of whom 166 completed the questionnaire correctly. A conceptual model was developed and tested using partial least squares structural equation modelling.

The findings include that only two dimensions of Paul’s (2015) masstige scale affect brand addiction: brand knowledge and excitement and status. Brand addiction has a positive effect on brand loyalty and electronic word of mouth (eWOM), and brand loyalty has a positive impact on eWOM. Theoretical and managerial implications were explored.

This research added a CBR perspective to masstige theory and applied masstige theory to wine brands for the first time. These three distinctive aspects collectively contribute to the novelty and significance of the research, opening up exciting possibilities for future investigations and providing a valuable contribution to the academic community and the wine industry alike.

The aim of this study is to evaluate the implicit and explicit attitudes of Generation Z (Gen Z) individuals toward the experience of visiting and getting to know traditional or virtual museums.

Two studies were conducted. The first study assesses the implicit attitudes of Gen Z individuals through Implicit Association Tests (IAT) toward the experience of visiting traditional versus virtual museums. Considering the results of the study one, the second study proposes and validates a conceptual model through PLS-SEM approach about the explicit attitudes of this generation toward virtual museums.

In the first study, it was found that virtual museums are more successful at engaging and immersing participants than traditional museums for Gen Z. The second study emphasized the significance of meeting Gen Z expectations and ensuring effortless access to information in virtual experiences as this can lead to increased satisfaction and inspiration among this generation.

The originality of this study lies in its focus on Gen Z's attitudes toward virtual museums and the use of both implicit and explicit attitude measures to gain a comprehensive understanding of these attitudes. An interesting aspect emerges from the implicit attitudes displayed by Gen Z, indicating their preference for virtual museums as more captivating compared to traditional ones.

The purpose of this study is to analyse the effect of health risk perceptions on the degree of decisiveness of a person towards e-commerce (e-commerce acceptance), self-awareness towards leisure and self-awareness towards socialisation in pandemic contexts. The identified gap was related to the COVID-19 pandemic, where the development of studies inherent to this context is becoming urgent. Thus, it was necessary to understand how the health risks perceived by individuals influenced their choice regarding online shopping and, simultaneously, socialising and leisure activities.

To reach this goal, a conceptual model was developed based on the self-determination theory, and data were collected from two countries (Portugal and Croatia). The model was estimated using the structural equation modelling (SEM).

The results showed that the perceptions regarding health risks have a positive effect on the degree of decisiveness of a person towards e-commerce acceptance and self-awareness towards socialisation. In turn, the perceptions of health risks have a positive effect on self-awareness towards leisure, not supporting the model conceptualisation.

The paper contributes to fill a gap in literature by analysing the simultaneous effect of individuals’ e-commerce motivations for leisure and socialising activities within a pandemic context. These results have significant managerial implications for several stakeholders that must communicate to the specific public regarding this type of events.

El propósito de este estudio es analizar el efecto de las percepciones de riesgo para la salud sobre i) el grado de decisión de una persona hacia el comercio electrónico (aceptación del comercio electrónico); ii) la autoconciencia hacia el ocio; y iii) la autoconciencia hacia la socialización en contextos de pandemia. La laguna identificada estaba relacionada con la pandemia de COVID-19, donde era urgente desarrollar estudios inherentes a este contexto. Así, era necesario comprender cómo los riesgos para la salud percibidos por los individuos influían en su elección respecto a las compras en línea y, simultáneamente, a las actividades de socialización y ocio.

Para alcanzar este objetivo, se desarrolló un modelo conceptual, basado en la teoría de la autodeterminación y se recogieron datos de dos países (Portugal y Croacia). El modelo se estimó mediante un modelo de ecuaciones estructurales (SEM).

Los resultados mostraron que las percepciones sobre los riesgos para la salud tienen un efecto positivo en el grado de decisión de una persona hacia la aceptación del comercio electrónico y la autoconciencia hacia la socialización. A su vez, las percepciones sobre los riesgos para la salud tienen efectos positivos sobre la autoconciencia hacia el ocio no suportando la conceptualización del modelo.

El artículo contribuye a llenar un vacío en la literatura al analizar el efecto simultáneo de las motivaciones de comercio electrónico de los individuos para actividades de ocio y socialización en un contexto de pandemia. Estos resultados tienen importantes implicaciones de gestión para varios actores que deben comunicar al público específico sobre el tipo de eventos.

O objetivo deste estudo é analisar o efeito da perceção dos riscos para a saúde sobre i) o grau de decisão de uma pessoa em relação ao comércio eletrónico (aceitação do comércio eletrónico); ii) a auto-consciencialização em relação ao lazer; e iii) a auto-consciencialização em relação à socialização em contextos pandémicos. A lacuna identificada estava relacionada com a pandemia da COVID-19, onde era urgente desenvolver estudos inerentes a este contexto. Assim, foi necessário compreender como os riscos de saúde percebidos pelos indivíduos influenciaram a sua escolha relativamente às compras on-line e, simultaneamente, às atividades de socialização e lazer.

Para atingir este objetivo, foi desenvolvido um modelo concetual, com base na teoria da autodeterminação e foram recolhidos dados de dois países (Portugal e Croácia). O modelo foi estimado utilizando a modelação de equações estruturais (SEM).

Os resultados mostraram que as perceções relativas aos riscos de saúde têm um efeito positivo sobre o grau de decisão de uma pessoa em relação à aceitação do comércio eletrónico e de auto-consciencialização em relação à socialização. Por sua vez, as perceções dos riscos de saúde têm efeitos positivos sobre a auto-consciencialização em relação ao lazer não suportando o modelo concetual.

O artigo contribui para preencher uma lacuna na literatura ao analisar o efeito simultâneo das motivações do comércio eletrónico dos indivíduos para atividades de lazer e socialização em um contexto de pandemia. Estes resultados têm implicações de gestão significativas para vários intervenientes que devem comunicar ao público específico sobre o tipo de eventos.

The authors intend to contribute to the lack of information about corporate social responsibility (CSR) in sports verified in the literature. The main purpose is to understand what the supporters' perceptions of CSR practices in sports clubs are and how these initiatives influence some of their attitudes towards the clubs they support.

Using a total sample of 142 supporters, the study hypotheses were tested with PLS-SEM structural equation modeling.

The authors conclude that CSR initiatives have a positive influence in the supporters' perception of the club and contribute to the positive word-of-mouth communication about the club. The results also show that these initiatives do not have a significant influence on the supporters' intention to become or remain paid members of sports clubs.

It should be noted that research on CSR in the national sports context is scarce, which increases the importance of its contribution to the literature in this area.

This study aims to address a systematic literature review (SLR) using bibliometrics on the relationship between academic integrity and artificial intelligence (AI), to bridge the scattering of literature on this topic, given the challenge and opportunity for the educational and academic community.

This review highlights the enormous social influence of COVID-19 by mapping the extensive yet distinct and fragmented literature in AI and academic integrity fields. Based on 163 publications from the Web of Science, this paper offers a framework summarising the balance between AI and academic integrity.

With the rapid advancement of technology, AI tools have exponentially developed that threaten to destroy students' academic integrity in higher education. Despite this significant interest, there is a dearth of academic literature on how AI can help in academic integrity. Therefore, this paper distinguishes two significant thematical patterns: academic integrity and negative predictors of academic integrity.

This study also presents several contributions by showing that tools associated with AI can act as detectors of students who plagiarise. That is, they can be useful in identifying students with fraudulent behaviour. Therefore, it will require a combined effort of public, private academic and educational institutions and the society with affordable policies.

This study proposes a new, innovative framework summarising the balance between AI and academic integrity.