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IBANGA John I.
Department Of Marketing, Faculty of Administration and Management
Rivers State University Nkpolu-Oroworukwo, Port Harcourt
NADUBE Paul M.
Department Of Marketing, Faculty of Administration and Management
Rivers State University Nkpolu-Oroworukwo, Port Harcourt
NWULU Chinyere Stella
Department Of Marketing, Faculty of Administration and Management
Rivers State University Nkpolu-Oroworukwo, Port Harcourt

Abstract
This study examined of the impact of logistics risk acceptance on operational effectiveness of oil and gas servicing companies in Rivers State. The study adopted a causal research design and collected primary data in a cross-sectional survey. 87 oil and gas servicing companies operating at the Onne oil and gas free zone of Rivers State comprised the population of the study. The study took a census, and sampled 2 managers (Logistics Manager and Operations Manager) from each company. A structured questionnaire was used to collect primary data. The validity of the instrument was determined via exploratory factors analysis; while its reliability was confirmed using Cronbach’s alpha test. The linear regression statistic was used to test the impact of logistics risk mitigation risk acceptance on metrics of operational effectiveness (delivery performance, cost minimization and operational flexibility). The Statistical Package for Social Sciences version 24.0 facilitated the data analyses. The study found that logistics risk acceptance impact operational effectiveness of oil and gas servicing companies. Importantly, the study found that risk acceptance impacts delivery performance more than other measures of operational effectiveness. The study concludes that logistics risk acceptance predict operational effectiveness; and that operational effectiveness of oil and gas servicing companies in Rivers State depend on logistics risk acceptance. Hence, the study recommends that oil and gas servicing companies in Rivers State that seek improved operational effectiveness in terms of delivery performance, cost minimization and operational flexibility should adopt logistics risk acceptance as a risk mitigation initiative.
Keywords: Cost minimization, delivery performance, logistics risk acceptance, operational flexibility, operational effectiveness

ELENWO Roberta U.
Department of Marketing, Faculty of Administration and Management
Rivers State University Port Harcourt
roberta.elenwo1@ust.edu.ng

DIDIA James U. D.
Department of Marketing, Faculty of Administration and Management
Rivers State University Port Harcourt
didia.james@ust.edu.ng

Abstract
This study empirically examined the relationship between cooperative engagement and supply chain resilience of quoted oil and gas companies in Nigeria. Cooperative engagement as a unidimensional construct was the predictor variable while supply chain resilience as the criterion variable was measured with situation awareness and adaptive capacity of quoted oil and gas firms in Nigeria. The study adopted a cross-sectional research design to study a population of 10 quoted oil and gas companies as enlisted in the official website of the Nigerian Exchange Group Sample size pf the study was the same as the study population given the small sample size however, the study adopted a census method to administer 5 copies of the questionnaire to key procurement staff of each of the 10 quoted consumer goods companies bringing the sample elements to 50 respondents in total. However, 44 respondents provided data for this study. Both primary & secondary data were adopted during the research of the study. The generated data were analyzed at three levels: the Univariate, Bivariate and Multivariate levels. At the primary level, the study adopted the univariate descriptive statistical tool such as mean, standard deviation, frequency tables, bar charts, scatter plots and simple percentages to present the data that were generated while bivariate inferential statistic of Pearson’s Product Moment Correlation was used at the secondary level of analysis, to test the proposed hypotheses. At the tertiary level of analysis, the study used Partial Correlation to test the impact of the moderating variable (level of influence) on the relationship between supplier relationship management and supply chain resilience of quoted oil and gas companies in Nigeria All the statistical analyses were performed using the Statistical Package for Social Sciences (SPSS, version 25.0). The data analysis uncovered noteworthy outcomes.: Cooperative engagement exhibited significant relationship with situation awareness and adaptive capacity. Considering these findings, the study concludes that that there is a significant and positive relationship between Cooperative engagement and supply chain resilience of quoted oil and gas companies in Nigeria. Engage in collaborative efforts with suppliers to achieve mutually beneficial goals; build trust, credibility, reliability, and confidence in them in relationships with suppliers for effective supply chain resilience.
Keywords: Adaptive capacity, cooperative engagement, situation awareness, supply chain resilience.

NGBAAWII Ledogo Waamene1 NWULU Chinyere Stella2 HARCOURT Horsfall3
1, 2, 3 Department of Marketing, Faculty of Administration and Management
Rivers State University Nkpolu-Oroworukwo, Port Harcourt
Corresponding emails: waamenengbaawii@yahoo.com; nwulu.chinyere@ust.edu.ng

Abstract
This study examined the relationship between customer-centric culture and marketing performance of deposit money banks in Nigeria. Marketing performance was measured using customer satisfaction and customer loyalty. The study adopted a survey research design. The population of study comprised 24 deposit money banks operating in Rivers State. The study adopted the entire population as its sample size.
5 respondents were drawn from each of 24 deposit money to provide data for the study. Structured questionnaire was used to collect the data. Pearson Product Moment Correlation served as test statistic, with the aid of statistical packages for social sciences (SPSS) version 23.0. The study found that customer-centric culture has very strong and strong relationship with customer satisfaction and customer loyalty respectively. The study concludes that customer-centric culture informs marketing performance of deposit money banks in Nigeria, and recommends that deposit money banks should define needs from customers’ point of view and customize their products to meet the unique needs of customers.
Keywords: customer centric culture, customer loyalty, customer satisfaction, marketing performance

ONIFADE Dotun B.
Department of Marketing, Faculty of Administration and Management,
Rivers State University Nkpolu- Oroworukwo, Port Harcourt, Nigeria.
dotunonifade@yahoo.com

Abstract
This study explored the relationship between green procurement and marketing sustainability. Green procurement served as predictor to marketing sustainability, represented by product stewardship, resource usage and cost minimization. The study relied on literature review to achieve its objective. The views of scholars on the meaning of green procurement and marketing sustainability was synthesized, and their reports and argument on the influence of green procurement on marketing sustainability was converged. In the end, the study study deduced that a connection exists between green procurement and marketing sustainability. Thus, the study concluded that green procurement is an imperative to marketing sustainability; and that product stewardship, resource usage and cost minimization as indicators of marketing sustainability are driven by green procurement.
Keywords: Competitive advantage, cost minimization, green procurement, marketing sustainability, product stewardship, resource usage

USIKOROMOGHA Boloubele1
OKWANDU Gabrial A.2
IKEGWURU Mac-Kingsley3
1, 2 Department of Marketing, Faculty of Administration and Management
Rivers State University Nkpolu-Oroworukwo, Port Harcourt
3 Department of Logistics and Supply Chain Management, Faculty of Administration and Management
Rivers State University Nkpolu-Oroworukwo, Port Harcourt
Corresponding email: boloubeleusikoromogha@gmail.com

Abstract
This study investigated the relationship between customer interaction and operational performance of courier services firms in Rivers State. Customer interaction was the predictor variable, while operational performance was the criterion variable with cost minimization, delivery speed and flexibility used as its measures. The study adopted a descriptive survey research design with a correlational method of investigation. The population of the study consisted 13 courier services firms in Rivers State. The study adopted a census. 4 questionnaire were given to managers (operations, logistics, customer relation and delivery). The Pearson’s Product Moment Correlation was used to test the hypotheses with the aid of the Statistical Packages for Social Science, version 23.0. The study found that customer interaction has positive and statistically significant relationship with measures operational performance. The therefore concluded that a significant positive relationship exists between customer interaction and operational performance of courier services firms in Rivers State; and recommends that courier services firms in Rivers State that intend to enhance their operational performance in terms of cost minimization, delivery speed, and flexibility should adopt and encourage interaction with customers.
Keywords: Cost Minimization, customer interaction, delivery speed, flexibility, operational performance.

IBANGA Ifeoma Blessing1 , NADUBE Paul M.
2 ADIELE Kenneth C. 3
1, 2, 3 Department of Marketing, Faculty of Administration and Management
Rivers, State University Nkpolu-Oroworukwo, Port Harcourt, Nigeria

Abstract
This study investigated the relationship between customer sensitivity and competitiveness of oil and gas firms in Rivers State. This study adopted a survey research design with a correlational method of investigation and obtained quantitative data from respondents in a non-contrived setting. The population of the study comprised 9 registered and functional oil and gas firms in Rivers State. The study adopted a census and purposively drew 5 managers (Marketing, Procurement, Logistics, Business development and Research and Development) from each of 29 firms. In all, 145 managers constituted provided data for the study. Pearson Product Moment Correlation was used to test 3 hypotheses, relying on the Statistical Package for the Social Sciences (SPSS) version 23.0. The results showed that customer sensitivity has positive significant correlation with competitiveness of oil and gas companies in Rivers State. The study concludes that customer sensitivity leads to competitiveness of oil and gas companies in Rivers State; and recommends that management of oil and gas companies should prioritize the develop their customer sensing capabilities to boost their capacity to capture, analyse and respond to customer feedback and preferences in real-time in other to increase their level of competitiveness.
Keywords: Accessibility, competitiveness, customer sensitivity, delivery speed, product flexibility

NWEYE Emmanuel Nyechi
Department of Marketing
Faculty of Administration and Management Rivers State University
emmamueln.nweye@gmail.com

Abstract
This paper explored the concept of lean waste reduction and its importance to operational efficiency of firms. The study synthesized findings from studies on lean practices and tools in different contexts and their report on the benefits of lean practices. Key themes identified in literature include the positive effect of lean tools like total productive maintenance, mistake proofing, workplace organization and continuous quality improvement. Studies emphasize the importance of effective implementation of lean practices to enhance maintenance, training, and control mechanisms for reducing production waste.
Additionally, the review highlight that lean waste reduction is a viable frameworks firms can adopt to improve the Triple Bottom Line (people, profit and planet). This is tenable because lean waste reduction enhance cost reduction and optimizes lead time. The paper concludes by emphasizing the importance of dynamic capabilities, integrated methodologies, and strategic frameworks in optimizing operational efficiency and promoting sustainable performance in financial services and other sectors.
Keywords: inventory level, lean waste reduction, operational efficiency, order lead time.

CYRIL-IBAMA Awoiyim1
NWOKAH Gladson N. 2
NWULU Chinyere Stella3
1, 2, 3Department of Marketing, Faculty of Administration and Management,
Rivers State University Nkpolu- Oroworukwo, Port Harcourt, Nigeria.

Abstract
This study investigated the relationship between materials movement and operational performance of upstream oil and gas companies in South-South Nigeria. The study was conceptualized using materials movement as predictor to operational performance with measures such as cost minimization, productivity and service speed. Survey research design with a correlational investigation type was employed in the study. The population of the study comprised 24 oil and gas companies in South-South Nigeria. The sample size of the study was the same as the population, since the population was not large. The researcher adopted census method to administer 3 copies of structured questionnaire to operations managers, logistics managers and procurement managers to each of the 24 oil and gas companies. This means that 72 respondents were used for the study. However, 63 respondents provided useable data for the study. Pearson’s Product Correlation Coefficients with a 95% confidence interval in mind was used in testing the hypotheses. Each test was conducted at a 0.01 level of analysis with the help of the Statistical Packages for Social Sciences (SPSS) version 23.0. The results revealed the existence of significant relationship between materials movement and operational performance of upstream oil and gas companies in South-South Nigeria. Based on the findings, the study concluded that materials movement significantly relates to operational performance of upstream oil and gas companies in South-South Nigeria; and recommends that managers of upstream oil and gas companies in South-South Nigeria should adopt modern material movement systems as a way to achieve cost minimization objective.
Keywords: Cost minimization, materials movement, operational performance, productivity, service speed

CHUKU Ihuoma Blessing1, OPARA Bright C. 2, OGAN Henrietta I. 3
1, 2, 3Department of Marketing, Faculty of Administration and Management,
Rivers State University Nkpolu-Oroworukwo, Port Harcourt,
Rivers State
Corresponding email: ihuoma.chuku124@gmail.com

Abstract
This study investigated the relationship between brand personality and market competitiveness. The study adopted a correlational research design. Brand personality is the predictor variable, while market competitiveness which was proxied by cost advantage, responsiveness and service quality was the criterion variable. The population of the study consisted 4 major mobile telecommunication companies. The study sample was the same as the population. The study administered 8 copies of structured questionnaire to top management staff of each of mobile telecommunication companies. Pearson’s Product Moment Correlation (PPMC) was used to test hypotheses relying of Statistical Packages for Social Sciences (SPSS) Version 23.0. The study found the existence of significant relationship between brand personality and market competitiveness of mobile telecommunication in Rivers State. The study therefore concluded that brand personality significantly relates to market competitiveness (cost advantage, responsiveness and service quality) of mobile telecommunication in Rivers State; and recommends that managers of mobile telecommunication companies in Rivers State should capitalize on brand personality such as brand sincerity and brand ruggedness in their pursuit of market competitiveness.
Keywords: Brand personality, market competitiveness, cost advantage, responsiveness, service quality.

OKONYE Christiana1, AKEKUE-ALEX Nennaaton2
1, 2 Department of Marketing, Faculty of Administration and Management
Rivers State University Nkpolu-Oroworukwo, Port Harcourt, Nigeria

Abstract
This study investigated the influence of eco-design capability on environmental performance of food and beverages firms in Port Harcourt. Eco-design capability was used as the explanatory variable which was treated as a single unit variable. Environmental performance was used as the explained variable, and was measured using emission reduction and resource conservation. The study adopted a survey research design.
The population of the study consisted 19 food and beverages firms; and the entire population was surveyed. 4 copies of the research instrument was sent to each of the 19 food and beverage firms, with the target respondents being overseeing chief, acquiring supervisor, activities administrators and creation director. The simple regression analysis was used to test the hypotheses. The results showed that eco-design capability has significant positive influence on emission reduction and resource conservation. The study concludes that ecodesign capability predicts environmental performance of food and beverages firms in Port Harcourt; and recommends that management of food and beverage firms should devote more effort on eco-design capability, if they seek to achieve higher levels of environmental performance.

Keywords: Eco-design capability, emission reduction, environmental performance, resource conservation.