Results 21 to 30 of about 513,470 (287)

Inventory models with ramp-type demand for deteriorating items with partial backlogging and time-varing holding cost [PDF]

Yugoslav Journal of Operations Research, 2014
In this paper, an inventory model with general ramp-type demand rate, partial backlogging of unsatisfied demand and time-varying holding cost is considered; where the “Time-varying holding cost” means that the holding cost is a function of time,
Karmakar Biplab, Choudhury Karabi Dutta
doaj   +1 more source

Labour Shortages in Saskatchewan [PDF]

The School of Public Policy Publications, 2013
The predictions in the media and from think tanks sound altogether alarming: Saskatchewan, with its booming economy, could be facing a worker shortage so severe that it could drastically hobble the province’s ultimate economic potential. While the world
J.C. Herbert Emery
doaj   +4 more sources

Switzerland’s Dependence on a Diamorphine Monopoly

Frontiers in Psychiatry, 2022
In 2021, the manufacturer of diamorphine reported a possible impending shortage for Switzerland and Germany. This led us to investigate this controlled medicine’s manufacture, market, and regulatory constraints.
Caroline Schmitt-Koopmann, Carole-Anne Baud, Valérie Junod, Valérie Junod, Olivier Simon   +4 more
doaj   +1 more source

An Inventory Model in a Three-Echelon Supply Chain for Growing Items with Imperfect Quality, Mortality, and Shortages under Carbon Emissions When the Demand Is Price Sensitive

Mathematics, 2022
This research develops an optimization model for growing items in a supply chain with three stages: farmer, processor, and retailer while considering imperfect quality, mortality, shortages with full backordering, and carbon emissions.
Cynthia Griselle De-la-Cruz-Márquez, Leopoldo Eduardo Cárdenas-Barrón, Buddhadev Mandal, Neale R. Smith, Rafael Ernesto Bourguet-Díaz, Imelda de Jesús Loera-Hernández, Armando Céspedes-Mota, Gerardo Treviño-Garza   +7 more
doaj   +1 more source

Statement of the Committee of Human Nutrition Science of the Polish Academy of Sciences on the use of dietary supplements containing vitamins and minerals by adults

Roczniki Panstwowego Zakladu Higieny, 2021
The use of dietary supplements (supplementation) is the individual enrichment of the diet with ingredients naturally occurring in food. As a rule, dietary supplements should be used periodically.
Agata Wawrzyniak, Katarzyna Przybyłowicz, Lidia Wądołowska, Jadwiga Charzewska, Danuta Górecka, Ewa Lange, Members of the Committee of Human Nutrition Science of the Polish Academy of Sciences   +6 more
doaj   +1 more source

A multi-cycle inventory control model for deteriorating items with partial backlogging under trade credit

Frontiers in Applied Mathematics and Statistics, 2022
The finite horizon should be considered for products with a limited lifecycle. To introduce this possibility, multiple orders and partial backlogging policies are established under trade credit in an inventory model, where demand is a time-varying ...
Zhonghui Li, Zhonghui Li, Panida Chamchang, Lili Niu, Jiangtao Mo   +4 more
doaj   +1 more source

Disruptive load shedding and its dynamic impact on municipal financial performance in KwaZulu-Natal, South Africa [PDF]

Public and Municipal Finance
Type of the article: Research Article Abstract Electricity energy consumption plays a significant role in both local and international financial development.
Khulani Mzimela, Jean Damascene Mvunabandi, Bomi Cyril Nomlala   +2 more
doaj   +1 more source

Vietnam’s capture fisheries labor shortage explored: difficulties and responses

Journal of Fisheries
The fishing industry plays an essential role in Vietnam’s socioeconomic development, providing jobs to millions of workers. In recent years, fishing labor shortages have occurred on many fishing vessels in all capture fisheries, including small-scale ...
To Van Phuong, Robert S. Pomeroy
doaj   +1 more source

EOQ model for deteriorating items with exponential demand rate, price dependence and shortages under trapezoidal and neutrosophic fuzzy techniques [PDF]

Neutrosophic Sets and Systems
In this study, we examined an Economic Order Quantity model for deteriorating items in the context of a completely backlogged exponential demand rate and price dependence.
Partha Ray, Agniva Dey, Somen Seal
doaj   +1 more source

Shortages Without Frontiers: Antimicrobial Drug and Vaccine Shortages Impact Far Beyond the Individual!

Frontiers in Medicine, 2021
Among increasingly common drug shortages, antimicrobial drug and vaccine shortages are the most frequently reported. This could be related to the smaller size of the market, compared to statins or antidepressant drugs.
Guillaume Beraud
doaj   +1 more source