Logistics planning in disaster response phase involves dispatching commodities such as medical materials, personnel, food, etc. to affected areas as soon as possible to accelerate the relief operations. Since transportation vehicles in disaster situations can be considered as scarce resources, thus, the efficient usage of them is substantially important. In this study, we provide a dynamic vehi...

abstract in agriculture, there is a lag between planting decision and supplying the produced commodity to the market. this makes the marketed commodities as predetermined variables and prices as market clearing factor. under such a condition, the inverse demand function in which price is a function of quantity is an appropriate tool for forecasting price responses to the injected quantities to ...

This publication was produced for review by the U.S. Agency for International Development. It was prepared by the USAID | DELIVER PROJECT, Task Order 1. HIV-related activities of Task Order 1 are supported by the President's Emergency Plan for AIDS Relief. Unprecedented levels of financial and human resources have been allocated for the prevention, care, and treatment of HIV-infected and -affec...

Global suppliers of agricultural inputs such as seeds, fertilizers and agrochemicals exert increasing degrees power in global value chains (GVCs). Although the GVC literature has explained how buyers govern GVCs from buying-end, question achieve governance supplying-end remains underexplored. We address this gap by combining a multidimensional typology with on intangible assets. argue that asse...

Article history: Received November 4 2015 Received in Revised Format December 21 2015 Accepted February 25 2016 Available online February 25 2016 In this paper, a novel multi-objective robust possibilistic programming model is proposed, which simultaneously considers maximizing the distributive justice in relief distribution, minimizing the risk of relief distribution, and minimizing the total ...

BACKGROUND The global HIV prevention community is implementing voluntary medical male circumcision (VMMC) programs across eastern and southern Africa, with a goal of reaching 80% coverage in adult males by 2015. Successful implementation will depend on the accessibility of commodities essential for VMMC programming and the appropriate allocation of resources to support the VMMC supply chain. Fo...

The international trade in medicinal and aromatic plants for the period 1991-2003 was investigated. For this purpose the foreign-trade statistics of 110 countries, compiled in the COMTRADE database of the UN Statistics Division and reporting an external trade of the commodity groups HS 1211 and SITC.3 292.4 pharmaceutical plants, respectively, have been evaluated. Based on this, the main featur...

one of the most important measures needed to be done in times of crisis is to optimize the allocation and distribution of resources among individuals. time is a critical factor effective to increase the number of people rescued by the relief activities.in this paper, we present a relief vehicle routing model in the affected area which uses covering tour approach to reduce total response time. a...