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Despite the widespread study and application of public-private partnerships (PPPs) since the 1980s, the field lacks a universally accepted definition that captures the concept's complexity. This study aims to offer a definition and foster a more substantive and comprehensive discourse on PPPs to improve communication and understanding between academics and practitioners from diverse disciplines and legislative backgrounds.

Grounded in the family-resemblance concept proposed by German philosopher Ludwig Wittgenstein, this study conducts a comprehensive literature review to identify core and non-core elements frequently cited in PPP descriptions. The authors used these findings to develop the PPP sunflower model as a structured framework for defining PPPs.

The analysis elucidates six core elements consistently present in PPP descriptions: clarity of roles and responsibilities, appropriate risk allocation and sharing, injection of expertise and resources, cooperation and teamwork, a bundle of services, and long-term contracts. Coupled with identified non-core elements, these core components comprise the PPP sunflower model, a structured framework for defining PPPs that accommodates their multi-faceted nature.

The PPP sunflower model distinguishes itself as a unique contribution to the PPP literature. It offers a rigorous theoretical framework that can elucidate the complexity of PPPs for various stakeholders. The model serves as a practical tool for evaluating the authenticity and viability of PPP projects. The study's novelty lies in its adoption of the family-resemblance concept, thereby providing a comprehensive, multi-dimensional framework that enhances the understanding of PPPs across different disciplines and legislative contexts.

This study aims to examine the nonlinear threshold effect of shadow economy on sustainable development in Africa while providing additional evidence on how this nonlinear threshold effect play out in economies with high and low developed financial/credit markets.

This study uses 37 African economies between 2009 and 2017 in a dynamic GMM panel model that controls for country, year and technological effects to ensure consistency and reliability of results and findings.

The results reveal that there is an inverted nonlinear U-shape nexus between the size of shadow economy and sustainable development in both short run and long run in Africa and across economies with high and low developed credit/financial market. Also, the threshold points beyond which the size of shadow economies dampens sustainable development is lower for economies with high financial/credit market development and higher in the long run.

These results have policy implications and recommendations and suggest that shadow economies can be beneficial to sustainable development particularly when the size of shadow economies are restrained from increasing beyond certain thresholds/levels. Moreso, to restrict the adverse effect of shadow economies on sustainable development, policymakers can rely on developing their financial/credit markets to tame the destructive nature of shadow economies on sustainable development. These results are robust to technological, year/time and country effects.

To the best of the author’s knowledge, this study examines for the first in the context of Africa, the nonlinear effect of shadow economies on sustainable development under low and high developed financial markets.

In developing countries, women microentrepreneurs are characterized as being informal, creating a challenge for the sustainability of their businesses. The purpose of this study is to analyze different businesses that adopt this form of operation arguing that formality is unnecessary because they are legitimate businesses (institutional reason). In addition, the role of gender in business management was incorporated, and the consistency of the results was validated in the context of COVID-19.

This study used data from the National Household Survey of Peru for the development of a compared analysis between the period 2018–2019 (pre-COVID-19), made up of a sample of 14,077 observations, and the period 2020–2021 (COVID-19), with 7,922 observations. The unit of analysis was the informal microenterprise with more than three years of operation, and the data was analyzed using a logistic model.

The probability of adopting informality for institutional reasons is more significant in the case of women in contrast to the men when it is a business belonging to the commerce sector and operating in a dwelling with basic services, while this probability decreases if the firm does not have a fixed location. These results are consistent in pre-COVID-19 and COVID-19 periods.

The purpose of this research was to contribute to closing gaps in the generation of evidence that helps to understand the behavior of informal microentrepreneurs in developing countries, allowing a better approach to this problem for the design and implementation of suitable public policies. All this will contribute to the accomplishment of the Sustainable Development Goals.

En países en desarrollo, las mujeres microempresarias se caracterizan por ser informales generando un desafío para la sostenibilidad de sus negocios. La presente investigación analizó diferentes negocios que adoptan esta forma de operación con el argumento de que la formalidad no es necesaria porque son negocios legítimos (motivo institucional); además, se incorporó el rol del género en la gestión del negocio, y se validó la consistencia de los resultados en un contexto de COVID-19.

Se utilizaron datos de la Encuesta Nacional de Hogares de Perú para el desarrollo de un análisis comparado entre el período 2018–2019 (pre-COVID-19), compuesto por una muestra de 14.077 observaciones, y el período 2020–2021 (COVID-19), con 7.922 observaciones. La unidad de análisis es la microempresa informal con más de tres años de operación y los datos son analizados mediante un modelo logístico.

Resulta mayor la probabilidad de adoptar la informalidad por motivos institucionales en el caso de las propietarias en contraste con los propietarios, cuando se trata de un negocio perteneciente al sector comercio y que funciona en una vivienda con servicios básicos, mientras que disminuye esta probabilidad si el negocio no posee un local fijo. Estos resultados son consistentes en tiempos de pre-COVID-19 y COVID-19.

La investigación tiene por fin contribuir al cierre de brechas en la generación de evidencia que ayude a comprender el comportamiento de las mujeres microempresarias informales en países en desarrollo, permitiendo una mayor aproximación a esta problemática para el diseño e implementación de políticas públicas adecuadas. Todo esto contribuirá con los Objetivos de Desarrollo Sostenible.

Nos países em desenvolvimento, as mulheres microempreendedoras caracterizam-se por serem informais, criando um desafio para a sustentabilidade dos seus negócios. A presente investigação analisou diferentes negócios que adotam essa forma de operação com o argumento de que a formalidade não é necessária por serem negócios legítimos (razão institucional); além disso, foi incorporado o papel do gênero na gestão empresarial e se validou a consistência dos resultados num contexto de COVID-19.

Se utilizaram dados da Pesquisa Nacional de Domicílios do Peru para desenvolver uma análise comparativa entre o período 2018–2019 (pré-COVID-19), composto por uma amostra de 14.077 observações, e o período 2020–2021 (COVID-19), com 7.922 observações. A unidade de análise é a microempresa informal com mais de três anos de operação e os dados são analisados através de um modelo logístico.

Resulta maior a probabilidade de adoção da informalidade por motivos institucionais no caso das proprietárias em contraste com os proprietários, quando se trata de um negócio pertencente ao setor do comércio e que funciona numa casa com serviços básicos, enquanto esta probabilidade diminui se o negócio não tem local fixo. Estes resultados são consistentes em tempos pré-COVID-19 e COVID-19.

A pesquisa tem como objetivo contribuir no fechamento de brechas na geração de evidências que ajude a compreender o comportamento dos microempreendedores informais nos países em desenvolvimento, permitindo uma melhor abordagem desta problemática para o desenho e implementação de políticas públicas adequadas. Tudo isto contribuirá para o cumprimento dos Objetivos de Desenvolvimento Sustentável.

Although tourism destination image is a widely studied subject, the perspective of local players is generally neglected, albeit its relevance for informing the positioning and brand management strategies of the places is recognized. This chapter aims to determine the perceptions of key local public organizations from the historical-cultural and heritage sectors and companies linked to commerce and tourism (private sector) about the historic center of a United Nations Educational, Scientific, and Cultural Organization (UNESCO) World Heritage site in Brazil. The results of this investigation contribute to the development of marketing and tourism development strategies in historic towns, especially those classified as World Heritage by UNESCO.

This research study aims to inquire into the technostress phenomenon at an organizational level from machine learning (ML) and artificial intelligence (AI) deployment. The authors investigated the role of ML and AI automation-augmentation paradox and the socio-technical systems as coping mechanisms for technostress management amongst managers.

The authors applied an exploratory qualitative method and conducted in-depth interviews based on a semi-structured interview questionnaire. Data were collected from 26 subject matter experts. The data transcripts were analyzed using thematic content analysis.

The study results indicated that role ambiguity, job insecurity and the technology environment contributed to technostress because of ML and AI technologies deployment. Complexity, uncertainty, reliability and usefulness were primary technology environment-related stress. The novel integration of ML and AI automation-augmentation interdependence, along with socio-technical systems, could be effectively used for technostress management at the organizational level.

This research study contributed to theoretical discourse regarding the technostress in organizations because of increased ML and AI technologies deployment. This study identified the main techno stressors and contributed critical and novel insights regarding the theorization of coping mechanisms for technostress management in organizations from ML and AI deployment.

The phenomenon of technostress because of ML and AI technologies could have restricting effects on organizational performance. Executives could follow the simultaneous deployment of ML and AI technologies-based automation-augmentation strategy along with socio-technical measures to cope with technostress. Managers could support the technical up-skilling of employees, the realization of ML and AI value, the implementation of technology-driven change management and strategic planning of ML and AI technologies deployment.

This research study was among the first few studies providing critical insights regarding the technostress at the organizational level because of ML and AI deployment. This research study integrated the novel theoretical paradigm of ML and AI automation-augmentation paradox and the socio-technical systems as coping mechanisms for technostress management.

This study aims to identify the risks, the risk agents, and the mitigation steps and then propose a halal supply chain risk management framework for frozen food halal industries, especially for the milkfish brain product.

Following the quantitative research design, semi-interviews with the owner of the milkfish brain company and data were analyzed using the supply chain operations reference model and the House of Risk method. The development of halal supply chain risk management framework involves several phases. First, to map the supply chain activities. Next is identifying the risk and risk agent. Then measurements of mitigations are based on the company’s resources that have a profound effect on risks such as employee activity, machinery and work environment.

The findings in this study are the prioritized mitigations for the frozen food companies, especially the milkfish brain products, are training of good manufacturing practice, making and applying halal standard operating procedure, the creation of clean-up watch schedules, halal use of raw materials and additional materials, and additional purses and facility.

This study may further use various perspectives in supply chains such as suppliers, distributors, agents and consumers.

The risks, risk agents, and mitigation steps are used to develop a general framework for halal supply chain risk management which can be used by all frozen food companies, especially for milkfish brain products.

This study is one of few studies about halal supply chain risk management for frozen food industries. The study contributes to the effort of halal supply chain risk management by proposing general framework for milkfish brain halal supply chain risk management. The risks, risk agents and mitigation efforts are established based on impact and intensity that affect risk occurrence.

This paper aimed to assess the service quality of the main seaports in Oman, which were Sohar, Ad Duqm and Salalah. The aim was to come up with ways to enhance the port service quality (PSQ) in Oman so that it could align with the Sultanate of Oman Logistics Strategy (SOLS) 2040 goals and achieve excellent and efficient operations.

To evaluate the service quality level of the port operators, this paper used a descriptive research design with Resources, Outcome, Process, Management, Image/reputation and Social (ROPMIS) modelling.

The findings indicated that the overall PSQ rating was currently between “satisfactory” and “very satisfactory” levels. However, the study also found that by empowering resources, outcomes, processes, management, image and social responsibility aspects, the port operators could provide a “high” quality of service, making their seaport operations more effective and efficient.

The study offers recommendations for improving port services in Oman, including investment in modern seaports, upgrading infrastructure and facilities, ensuring safety and efficiency of cargo operations, meeting and exceeding customer expectations, adopting new technology and automation, hiring policies that attract diverse talents, implementing environmentally friendly practices and improving governance. Overall, this study contributes to the literature and managerial practices in PSQ aspects and its contribution to the SOLS 2040 in Oman.

The originality and novelty of this study lie in its comprehensive assessment of the service quality of Oman's ports and the identification of areas for improvement to achieve outstanding service levels.

This study aims to focus on key approaches to education for sustainability (EfS) leadership development in the context of Malaysian and Japanese universities. The authors identify key indicators of effective EfS leadership development approaches using both descriptive and inferential analyses, identify and compare the preferred leadership learning methods of academics and examine the impact of marital status, country of residence and administrative position on the three EfS leadership development approaches.

The study is quantitative in approach and survey in design. Data were collected from 664 academics and analysed using the efficient partial least squares (PLSe2) methodology. To provide higher education researchers with more analytical insights, the authors re-estimated the models based on the maximum likelihood methodology and compared the results across the two methods.

The inferential results underscored the significance of four EfS leadership learning methods, namely, “Involvement in professional leadership groups or associations, including those concerned with EfS”, “Being involved in a formal mentoring/coaching program”, “Completing formal leadership programs provided by my institution” and “Participating in higher education leadership seminars”. Additionally, the authors noted a significant impact of country of residence on the three approaches to EfS leadership development. Furthermore, although marital status emerged as a predictor for self-managed learning and formal leadership development (with little practical relevance), administrative position did not exhibit any influence on the three approaches.

In addition to the theoretical and methodological implications drawn from the findings, the authors emphasize a number of practical implications, namely, exploring the applicability of the results to other East Asian countries, the adaptation of current higher education leadership development programmes focused on the key challenges faced by successful leaders in similar roles, and the consideration of a range of independent variables including marital status, administrative position and country of residence in the formulation of policies related to EfS leadership development.

This study represents an inaugural international comparative analysis that specifically examines EfS leadership learning methods. The investigation uses the research approach and conceptual framework used in the international Turnaround Leadership for Sustainability in Higher Education initiative and uses the PLSe2 methodology to inferentially pinpoint key learning methods and test the formulated hypotheses.

The purpose of this paper is twofold: first, to present a rigorous bibliometric analysis and a systematic literature review of the critical success factors (CSFs) for Building information modelling (BIM)-based digital transformation; second, to identify the relationship between the dimensions in favour of BIM implementation.

This study adopts a two-step approach to combine bibliometric and systematic literature review to explore the research topic of BIM and CSFs. Bibliometric tools such as Biblioshiny in R language and Ucinet software were applied to this study.

Besides identifying the two most influential authors (e.g. Bryde and Antwi-Afari), the key journal for disseminating articles, and the most influential countries in this discourse (e.g. Hong Kong and Australia), the study also identifies four pivotal research themes derived from the co-occurrence analysis of keywords: the fusion of sustainability and technology with BIM; practical application and its integration within construction management; innovation and engineering paradigms; and the advent of emerging technologies (e.g. Blockchain) within developing nations. Additionally, the paper introduces a comprehensive framework for selecting CSFs pertinent to BIM-centred digital transformation as viewed through the lens of dynamic capabilities.

This paper establishes a link between dynamic capabilities theory, CSFs, and BIM dimensions, presenting a multifaceted framework guiding future paths and offering practical insights for managerial and political decision-makers engaged in digital transformation endeavours. The study positions dynamic capabilities as pivotal, aligning digital technologies with continuous business performance, and advocates for a strategic focus on digital transformation.