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The purpose of this paper is to investigate the roles of human resource development (HRD) in open universities. The study also intends to assess the current situation of HRD at Hanoi Open University (HOU) with an end view of proposing some suggested recommendations to enhance HRD to improve the training quality and effectiveness at HOU.

The study’s first two parts refer to HRD’s role in open universities. The third one summarizes the existing research literature on HRD used as theoretical base for the author to evaluate the current HRD at HOU in the fourth part. The fifth part involves the methodology to gather the data on HRD practices at HOU while the next two important parts deal with the study’s findings and recommendations for better HRD at HOU. The final part summaries the study’s main points. Referring methodology, the survey data were analyzed through frequency, percentage and weighted mean as statistical tools.

The study’s findings show that HRD practices at HOU are not as effective as expected in terms of human resource quality, human resource structure and human resource management. There is a shortage of full-time well-qualified employees, inadequate and imbalance working positions, and un-synchronous, fragmented personnel management.

The study’s values are not only useful for building policies on HRD but also for developing strategies to train and foster capable and adequate staff in open universities’ academic environment and in HOU as well.

I aimed to obtain a deeper insight into the link between supplier involvement in product development (SIPD), supplier relationship resilience and company performance.

To collect data, a survey among 500 Polish manufacturing companies was conducted. I used quantitative methods (structural equation modeling) to test several research hypotheses referring to a single supplier–customer relationship. Thanks to the use of multi-construct measurement of SIPD and supplier relationship resilience, the study provides detailed research results on the topic.

Collaborative practices implemented during SIPD increase procurement flexibility and decrease redundancy in the relationship with the involved supplier. Communication during SIPD increases supplier flexibility and procurement flexibility. Increased supplier flexibility and increased procurement flexibility in the relationship with the involved supplier as well as collaborative practices during SIPD positively impact company performance. I confirmed the indirect effect between communication during SIPD and company performance when the mediators are supplier flexibility and procurement flexibility. Decreased redundancy in relationship with involved supplier does not impact company performance.

Supply chain managers need to rethink SIPD practice to effectively ensure supply chain resilience (SCRES), especially in the face of the contemporary global crisis and black swans affecting the supplier base. My article provides important managerial insights into drivers of SCRES and company performance.

To the best of my knowledge, this research is among the first to conclude that SIPD does not have an unequivocally positive or direct impact on supplier relationship resilience. The research fills the gap by analyzing the impact of SIPD on two main SCRES elements. The study examines supplier relationship resilience, understood as flexibility and redundancy elements, in a single supplier–buyer relationship perspective. Thus, the presented considerations go beyond the traditional understanding of flexibility and redundancy in supplier relationship management, that is through the prism of double or multi sourcing and having back up-suppliers.

The birth and survival rate of youth-owned businesses has been a major concern for policymakers, industry and academics alike. Learning and innovation play important roles and more critical is the mediating factors and how it impacts the enterprise competitiveness of youth-owned businesses and hence worth studying. Therefore, this study aims to examine the impact of mediating factors such as government support, informal network society and external knowledge infrastructure on learning and innovation in youth-owned small businesses in Lagos, Nigeria, from a cross-sectional perspective.

Leveraging the sectoral system of innovation theory, we use a primary research method and data obtained from a structured questionnaire administered among a sample of 1,000 registered youth-owned small businesses in Lagos, while 30 in-depth interviews were also conducted. The exploratory factor analysis was used for data examination.

The findings show that even though government support, informal network society and external knowledge all have a positive relationship with learning and innovation in youth-owned small businesses, government support has the most impactful impact. The informal network society via a trade association, professional network and social media are also critical in knowledge transfer in youth-owned businesses.

The significance of learning and innovation is more important as many small businesses do not have the privilege of standard human resource management (HRM) systems. This paper looks at the mediating factors affecting the introduction of innovative practices in youth-owned and managed small businesses and how productivity is enabled in a developing county context.