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Wyszukujesz frazę "Nigerian seaports" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Benchmarking technical efficiency of Nigerian seaports
Autorzy:
Nze, Obiageli N.
Ejem, Ejem Agwu
Nze, I. C.
Powiązania:
https://bibliotekanauki.pl/articles/2141057.pdf
Data publikacji:
2020
Wydawca:
Fundacja Centrum Badań Socjologicznych
Tematy:
Nigerian seaports
sustainable development
ship traffic
benchmarking technical efficiency
Opis:
The study adopted ex post facto design. Using ship traffic, vehicle traffic, berth efficiency, turnaround time as input explanatory variables and output factors as average throughput to compare the pre concession and post concession. The six Nigerian ports: Tincan Island Ports, Apapa Port, Port of Delta Warri, Calabar Port, Rivers Port and Onne Port were sampled. It is observed that year 2014 is the most efficient year out of the 36 operation years in terms of output maximization with constant levels of inputs under the study period with score 1.0 respectively serving as 32 times benchmark for other years. It is observed from that Tin Can Island Port was technically efficient in the operation years of 1980, 1981, 1985, 1995, 1997, 1998, 2009, 2013, 2014 and 2015 with score 1.0. However, the most efficient operation years are 1998 and 2013 while the most inefficient year is with efficiency score 1.0. The post-concession years that the port was technically inefficient are 2006, 2007, 2008, 2010, 2011 and 2012.
Źródło:
Journal of Sustainable Development of Transport and Logistics; 2020, 5, 1; 77-95
2520-2979
Pojawia się w:
Journal of Sustainable Development of Transport and Logistics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The dynamic programming model for optimal allocation of laden shipping containers to Nigerian seaports
Autorzy:
Amuji, Harrison O.
Onwuegbuchunam, Donatus E.
Aponjolosun, Moses O.
Okeke, Kenneth O.
Mbachu, Justice C.
Ojutalayo, John F.
Powiązania:
https://bibliotekanauki.pl/articles/2176021.pdf
Data publikacji:
2022
Wydawca:
Fundacja Centrum Badań Socjologicznych
Tematy:
dynamic programming
ships’ waiting times
optimal allocation policy
Nigerian seaports
loaded shipping containers
Opis:
In highly competitive shipping market environment, container network operators-Freight forwarders, shipping companies etc. are concerned about design, development and deployment of optimized allocation model to achieve cost savings through improved container storage yard operations, crane productivity, outbound container allocation/distribution to seaport terminals and hence reduction in ships’ waiting times. In this paper, we developed two models, the Dynamic programming model and optimal allocation policy (model), for the optimal allocation of units of outbound laden cargo containers of sizes: 20ft and 40ft to six (6) major seaports in Nigeria. The distributions of the laden containers were allocated as follows: Port-Harcourt, Tincan Island, Onne, and Calabar seaports were allocated with 1,064 units of stuffed containers each. Apapa seaport was allocated with 2,128 units of laden containers, and zero allocation was made to Warri seaport. These results were arrived at through the implementation of the optimal allocation policy. The zero units allocation made to Warri seaport could be attributed to poor shipper patronage and hence the low frequency of ship visits. Apapa seaport was allocated double the number of containers moved to the remaining ports because it attracted more shipper patronage and hence more ship visits. Hence, freight forwarding companies will be assured of cargo spaces and make more profit by allocating more containers. Policy implications of the developed models were discussed.
Źródło:
Journal of Sustainable Development of Transport and Logistics; 2022, 7, 2; 69--79
2520-2979
Pojawia się w:
Journal of Sustainable Development of Transport and Logistics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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