The purpose of this article is to analyze the relationship between a brand’s trust in consumer decisions and its maintenance over time in a retail chain in northern Brazil known as Bemol. The sample consists of 210 respondents, customers of Bemol, and the methodology used is a model of structural equations. The developed model consists of 22 variables, divided into three constructs: trust, loyalty and brand. The results show the importance of trust in the consumption decision, as well as loyalty, relationship and satisfaction. Trust and loyalty lead to brand relationship, which is why managers must pay special attention to the factors to be provided to their customers so that this triad can be verified. Commercial brands marketed to the public should consider inducing strong feelings towards the brand as an important step in promoting customer satisfaction and loyalty. A brand for which that the consumer develops strong feelings will facilitate and potentiate positive behaviors in the long term. However, some behavioral characteristics, attendance and leadership, are of lesser importance to the consumer. This research presents a limitation as to its application, as the respondents were only customers of one brand, Bemol.

This research project aims to analyse the leadership and communication styles adopted by Angolan companies, particularly in Benguela province, and their impact on the results of these organisations. In Angola, and with the recent assimilation of the principles of market economy, the figure of the leader must abandon old management paradigms and integrate the modern principles of management of organisations into their functions, not only focusing on achieving the goals of the company but also on creating an environment conducive to the participation and involvement of employees, articulating strategies so that everyone grows in and with the organisation. Thus, the general objective of the research is to assess the managers’ perception of their leadership style (transformational, transactional, and laissez-faire) and its impact on the organisation’s performance. To this end, a quantitative study was carried out using a questionnaire, using, among other dimensions, the multifactorial leadership questionnaire (MLQ), distributed to a sample of 227 managers. Data were analysed using SPSS using descriptive statistics (frequencies, means, standard deviation) and inferential statistics (t-test, ANOVA, Tukey’s test). The results show that the leaders perceive their leadership styles as transformational and recognise that communication, motivation, and the reward system strongly impact the organisation’s performance.

This research project aims to analyze the importance of internal communication in organizations in Benguela (Angola) and to determine its impact on employee engagement and commitment to the organization. To this end, an exploratory study was conducted using a quantitative methodology. In this scope, a questionnaire was applied to 250 employees of the organizations, seeking to evaluate employees as internal consumers; internal communication in terms of tools, means and communicative effectiveness, as well as internal communication management and employee satisfaction. The results demonstrate the need for internal communication to engage and commit the company’s employees, where organizations are increasingly concerned with the management of their human resources.

In this study, Airbnb’s brand personality is explored in relation to its effects on consumer involvement and institutional trust. The objective of this paper is to fill a gap in marketing research by building up a solid understanding of the relationship between those constructs in the context of hospitality brands. The results of the study revealed that Airbnb’s brand personality is mostly associated with excitement, sincerity, and competence. Brand personality was shown to have effects on both consumer involvement and institutional trust, with competence having the biggest impact on consumer involvement, and institutional trust being under the most significant influence of sincerity. The results of this study present meaningful implications not only for the academic community, but also for marketing specialists focusing on branding strategies in the innovative context of sharing economy businesses.

The objective of this research project is to study the economic development model of the Angolan economy in order to analyze the adoption of an alternative strategy capable of leveraging the economy, based essentially on alternative energies, and therefore, to demonstrate and prove the need to diversify Angola’s economic model, highlighting the benefits of a diversified versus a non-diversified economy with respect to sustainability. The first stage of the design of this empirical study involved establishing a focus group in order to construct and adjust a data collection instrument in the form of a questionnaire to be applied to a broader set of managers and informed professionals with a critical view of the country’s future and the models and alternatives to economic development and diversification of the economy on a sustainable basis. Energy plays a fundamental role in Angola’s economic and social development. Excessive dependency on the oil sector and inefficient production due to high costs, combined with changes in global environmental and energy policies, make it essential to reflect on the evolution of the country’s energy sector, equating a different economic development model, the diversification of the economy, and the exploration of other sources of energy, such as biofuels. Renewable energies emerge as a safe, healthy, environmentally friendly and economically viable energy alternative that could bring the Angolan economy closer to that of developed countries. Biofuels have become popular and have begun to be seen as a valid alternative to fossil fuels because they have lower production costs and they cause less impact on nature. Furthermore, since they are biodegradable, they can be commercialized at a lower cost from renewable sources. According to the respondents, the research results show that the best energy alternatives to reduce oil dependency are solar energy, biodiesel, hydraulic energy, and bioethanol. An assessment of the attractiveness and potential of biofuels show that the best alternative is bioethanol, followed by biodiesel.

This quantitative study adapted the Academic Motivation Scale (AMS) to the Financial Calculus context in higher education. It examined the preliminary psychometric properties of the resulting Financial Literacy Academic Motivation Scale (FLAMS). The 28 AMS items were translated, contextually adapted, and administered to 164 Portuguese undergraduate students enrolled in Financial Calculus during the 2023/2024 and 2024/2025 academic years. Exploratory analysis was used to inspect within-sample item patterns, while confirmatory factor analysis was conducted in the same pooled sample to compare theoretically plausible candidate structures. The refined five-factor, 21-item model, comprising amotivation, external regulation, introjected regulation, identified regulation, and a general a relative improvement over the alternative models considered. Internal consistency was acceptable to high across the retained factors. However, the model did not meet conventional close-fit benchmarks, and the analyses did not provide independent cross-validation or evidence of measurement invariance across academic cohorts. The findings should therefore be interpreted as initial evidence for a context-specific candidate structure rather than as a definitive validation of FLAMS. Future research should replicate the model in larger independent samples, test measurement invariance across cohorts and institutional contexts, and examine associations with external criteria, including Financial Calculus grades, financial-literacy learning outcomes, engagement, and persistence.