Life cycle assessment and supply chain visibility in Nigeria maritime university, South-South Nigeria

Green supplier selection and flexible sourcing: An empirical study of Nigeria tertiary institution

Continued use of traditional procurement method hampers the adoption of innovative, and sustainable procurement practices capable of enhancing operational efficiency and long-term institutional performance. This research investigate the relationship between Green Supplier Selection (GSS) and flexible sourcing practices (FSP) in Nigeria Maritime University, South -South Region. The total population of the study comprised of 1,252 employees, using taro Yamane formula to determine a sample size of 303 employees. A descriptive survey research design was employed in the research, and a stratified random sampling technique was applied in the distribution of the survey to the participants including- procurement officers, internal auditors, logistics managers, administrative staff, and heads of departments. Copies of 303 questionnaires were distributed out of which 281 were returned, while the remaining 22 were not returned and utilized for the study. Both descriptive, inferential statistics, and Pearson correlation techniques were utilized in testing hypotheses to determine the relationships between the variables. The findings indicates a high association between green supplier selection (GSS) and flexible sourcing (FLS) based on responses from the participants. The study recommends university management to prioritize local sourcing and encourage investments in indigenous manufacturing firms to reduce dependence on foreign products such as office equipment and machines.

The Influence of Green Procurement on Supply Chain Resilience in Nigeria Maritime University, South-South Region

A high initial investment in acquiring environmentally friendly products can discourage institutions from adopting them. This study explored the extent to which eco-friendly products contribute to supply chain resilience and operational performance at the Nigerian Maritime University. The study employed a quantitative survey method administering a sample of 303copies questionnaire to the staff of the organization using a stratified sampling technique. The hypotheses were tested and analyzed using a regression method with the aid of Minitab software. The regression analysis indicates eco-friendly products significantly relates to operational efficiency in Nigerian Maritime University, South-South Nigeria. The model regression indicates (R² = 99.20, B = 1.039, β = 0.0162, p = 0.000); indicating that the model is a good fit. The coefficient 1.0399 is highly significant (p < 0.001). This indicates a positive and strong effect, explaining that for every one-unit increase in eco-friendly products, the operational efficiency increases by approximately 1.039 units. The NOVA result confirms F = 4117.07, p < 0.001. The study concludes that the adoption of eco-friendly products plays a significant and positive role in enhancing organizational sustainability performance or resilience. Organizations should embed eco-friendly product selection into their procurement guidelines to promote sustainable operations. Management should invest in environmentally friendly technologies and capacity building initiatives to support the transition to sustainable practices.

Assessment of Inventory Management Factors Affecting Construction Project Delivery in Imo State, Nigeria

This study examined the assessment of inventory management factors affecting construction project delivery in Imo state, Nigeria. Adopting a descriptive survey research design. The study population comprised 800 construction professionals, including architects, estate surveyors and valuers, site engineers, materials purchasers, construction/project managers, and contractors. Using the Taro Yamane formula, a sample size of 267 respondents was determined through judgmental sampling, while 243 valid questionnaires representing a 91% response rate were retrieved and analyzed. Data were collected through structured questionnaires and analyzed using descriptive statistics and multiple regression analysis with the aid of SPSS version 23. The findings revealed that theft and vandalization (β = - 0.177, p < 0.001), high carrying cost (β = -0.148, p = 0.020), insecurity (β = -0.169, p < 0.001), shortage of materials (β = -0.137, p = 0.020), and inability to determine the appropriate EOQ (β = -0.152, p = 0.002) had significant negative effects on construction project delivery. However, the use of traditional materials management methods (β = -0.010, p = 0.876) was not statistically significant. The regression model showed a strong relationship between inventory management factors and project delivery (R = 0.925), with the identified variables explaining approximately 85% of the variation in construction project delivery (R² = 0.850). The overall regression model was statistically significant (F = 8.895, p = 0.002), confirming the collective influence of inventory management practices on project delivery. The study concluded that effective inventory management is critical to achieving successful construction project delivery, with. Recommendation to strengthen site security to minimize theft and vandalization, adopting modern inventory management systems and Materials Requirement Planning (MRP), implementing Economic Order Quantity (EOQ) techniques, engaging inventory management professionals, and improving materials planning to reduce carrying costs, prevent material shortages, and enhance project performance.

Compensation Packages and Organizational Sustainability of Nigerian National Petroleum Company Limited, 2014 – 2025.

The impact of compensation packages on organisations has continued to draw attention of organizational policy makers and scholars. This study examined the relationship between compensation packages and organizational sustainability in the Nigerian National Petroleum Company Limited (NNPCL) between 2014 to 2025. The study was instituted to achieve a specific objective. The Resource-Based View (RBV) was adopted as the analytical guide. The descriptive research design was employed as an approach. The study population comprised 615 managerial, permanent, and contract staff of the Port Harcourt, Warri, and Kaduna refineries. A sample size of 242 respondents was determined using the Taro Yamane formula, while Bowley’s proportional allocation and stratified random sampling techniques were employed. Primary data were collected using a structured questionnaire validated by experts, while the instrument yielded a Cronbach’s alpha coefficient of 0.87, confirming its reliability. Out of the 242 questionnaires administered, 220 valid copies were retrieved and analysed using the Statistical Package for the Social Sciences (SPSS) version 27, while Spearman Rank Order Correlation was employed to test the hypothesis at the 0.05 level of significance. The findings revealed that respondents agreed that competitive salaries, performance-based incentives, equitable reward systems, and comprehensive monetary and non-monetary benefits significantly enhanced employee motivation, commitment, retention, and productivity, thereby promoting organizational sustainability. The hypothesis test further revealed a strong positive and statistically significant relationship between compensation packages and organizational sustainability (r = 0.733, p = 0.000), leading to the rejection of the null hypothesis. The study concluded that competitive and equitable compensation packages are essential for improving workforce stability, reducing employee turnover, enhancing productivity, and ensuring the long-term sustainability of NNPCL. The study recommended that NNPCL should periodically review its compensation structure to ensure alignment with industry standards and employee expectations.

. Supply Chain Assessment .

Procurement Practices and Sustainability in the Nigerian Electricity Regulatory Commission (NERC), South-East

Nigeria’s electricity sector continues to face major challenges due to aging infrastructure, which increases operational costs and reduces overall efficiency. This study aimed to assess how procurement practices influence sustainability within the Nigerian Electricity Regulatory Commission (NERC), South-East, with a specific focus on the effect of green technology on environmentally friendly products. Using a quantitative correlational design, 148 surveys were distributed to staff across Anambra, Enugu, Ebonyi, and Imo states, of which 133 were completed and used for analysis. Pearson correlation and descriptive statistics were employed to test the hypotheses. The results revealed a very strong and statistically significant positive correlation between green technology and eco-friendly products (r = .994, n = 132, p < .01), indicating that advancements in green technology account for a large proportion of changes in environmental product outcomes. Based on these findings, the study recommends that NERC strengthen procurement policies by prioritizing vendors who provide certified green technologies and environmentally sustainable materials.