This paper assessed the trend of productivity of the existing six Nigerian ports. Secondary data was extracted from National Bureau of Statistics (NBS) Annual Reports, Nigeria Port Authority (NPA) Annual Reports, and Central Bank of Nigeria (CBN) Annual reports. Using the Data Envelopment Analysis technique, it was discovered that Calabar Port had been under-utilized towards the achievement of the required results. On the contrary, Rivers Port requires technical touches in her operations. As a liquid bulk port, the time of loading and discharging of commodities are often more than any other type of port and the turnaround time at this port are often more. Scale optimization is also required in Rivers Port. Inferentially, Lagos Port has been operating on optimal scale size but fluctuating managerial efficiency was experienced in the operation years. As a matter of findings, Tin Can Island has a similar trend to that of Onne Port with low productivities in the pre-concession period which improved consistently in the postconcession year of 2010 till the year 2015. It was also observed that Tin Can Island Port operated on under-utilization of inputs resources in the pre-concession periods till the post-concession year 2010. This reflects the element of wastefulness concerning both inputs and outputs quantities. Delta Port experienced fluctuating scale and technical efficiency trends in both pre and post concession years. Hence, it is observed that productivities' trends vary among the concessioned Nigerian Ports. These could be as a result of the influence of varied exogenous and endogenous factors on individual Port.

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The study investigates the impact of marketing mix (4ps) on warehousing operations with a case study of Unilever Nigeria Plc. with objectives to aim at establishing a link between the resultant effects of marketing mix efforts on warehousing operations to find challenges and opportunities to improve on. Data used where secondary data collected from the warehouse activity profiles. Through-put/hour is used the estimated the activity at the warehouse; Sales in volumes is used the estimated the sales level. Data was analysed the regression model to determine what influence that marketing mix elements has on warehouse activity levels. Findings show that the higher sales go the higher the activities that constitute warehousing operations in the warehouse and price and promotional activities has a low influence on this warehouse operations. Consequently, it was concluded that the price and promotion activities have low influence on the model while sales-in-volume has the highest influence on the model. The relationship shows that the higher the volume-in-sales the activity is the warehouse operations while price and promotion activities do not have consider impact on these activities. We therefore recommend that Companies should develop better internal information system so as to effectively convey the information on real time basis within the firm especially when these warehouses are operated of decentralized policy.

The study investigates the impact of marketing mix (4ps) on warehousing operations with a case study of Unilever Nigeria Plc. with objectives to aim at establishing a link between the resultant effects of marketing mix efforts on warehousing operations to find challenges and opportunities to improve on. Data used where secondary data collected from the warehouse activity profiles. Through-put/hour is used the estimated the activity at the warehouse; Sales in volumes is used the estimated the sales level. Data was analysed the regression model to determine what influence that marketing mix elements has on warehouse activity levels. Findings show that the higher sales go the higher the activities that constitute warehousing operations in the warehouse and price and promotional activities has a low influence on this warehouse operations. Consequently, it was concluded that the price and promotion activities have low influence on the model while sales-in-volume has the highest influence on the model. The relationship shows that the higher the volume-in-sales the activity is the warehouse operations while price and promotion activities do not have consider impact on these activities. We therefore recommend that Companies should develop better internal information system so as to effectively convey the information on real time basis within the firm especially when these warehouses are operated of decentralized policy.