نتایج جستجو برای: supply demand

تعداد نتایج: 281293  

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2014
Nicolás Rubido Celso Grebogi Murilo S Baptista

The ability to design a transport network such that commodities are brought from suppliers to consumers in a steady, optimal, and stable way is of great importance for distribution systems nowadays. In this work, by using the circuit laws of Kirchhoff and Ohm, we provide the exact capacities of the edges that an optimal supply-demand network should have to operate stably under perturbations, i....

Askari, M. T., Azfanizam Binti Ahmad, S., Lee, L. S., Rahimi, I., Sharaf, Adel.m, Tang, S. H.,

It is necessary to consider the impact of demand uncertainty to model the comprehensive approach for supply chain network design. This paper presents four echelons, multiple commodity, and strategic–tactical model for designing supply chain network. Uncertain demand, transportation mode selection with lead time configuration has been considered. A numerical example has been implemented to verif...

Mehrdad Javadi Saeed Tavakkoli Moghaddam Seyyed Mohammad Hadji Molana

Sustainability in the supply chain means pushing the supply chain to focus on social, economic and environmental aspects, and addressing the existing problems in the traditional supply chain. Considering the importance of evaluating supply chain networks, especially in the field of perishable commodities, this paper aimed to design a mathematical model for the reverse supply chain of perishable...

In classical transport models, it is always assumed that parameters such as the distance from each supply node to each demand node or the cost of transferring goods from one node to another, as well as quantities such as supply and demand are definite and definite amounts. But in real matters, considering these assumptions is not logical. On the other hand, there may be a real problem in mathem...

ژورنال: مدیریت شهری 2016
Aliakbari, Esmaeil , Mousavi Jahromi, Yeganeh, Naghizadeh, Javad ,

Like other economic markets, housing market is comprised of supply and demand dimensions and equality of supply and demand makes the housing market balanced. The aim of this paper is to investigate the characteristics of housing market of Tehran city and some deficiencies of this market with fundamental – applied methodology. The variable studied here is the saleable residential unit with minim...

Journal: :international journal of industrial engineering and productional research- 0
s.k. charsoghi a. sadeghi

in this paper, a two-echelon supply chain, which includes two products based on the following considerations, has been studied and the bullwhip effect is quantified. providing a measure for bullwhip effect that enables us to analyze and reduce this phenomenon in supply chains with two products is the basic purpose of this paper. demand of products is presented by the first order vector autoregr...

Journal: :چغندرقند 0
مجید احمدیان استاد گروه اقتصاد - دانشکده اقتصاد- دانشگاه تهران امیر محمدی نژاد استادیار گروه اقتصاد کشاورزی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات رضا رحیمی مربی پژوهشی دانشگاه آزاد اسلامی واحد تهران مرکز و دانشجوی دکتری اقتصادکشاورزی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات

as an industrial crop, sugar beet plays an important role in meeting domestic demand for sugar. given the higher level of imported sugar iniran, the application of protectionist policies is an approach for supplying required sugar. one of these policies is technological improvement. in order to study the effect of this policy, sugar beet supply and demand equations in 1971-2008 were fitted by t...

Journal: :international journal of agricultural management and development 2014
e.g. onuk c.n. shailong b.a beshi e.a. adgidzi

the study specifically described the socio-economic status of the people involved in the production, distribution and consumption of convenience foods in lafia urban of nasarawa state. it identified the factors that influence the entry into convenience food enterprise, factors necessitating the demand and supply of the products and examined the costs and returns of three convenience foods. the ...

Journal: :journal of ornamental plants 2015
seyed nematollah mousavi

the main purpose of this study was to determine the factors affecting the export of flowers in iran. after data collection using by the index of revealed comparative advantage (rca), the condition of business of flowers in iran was compared with a number of countries exporting the product. according to the results of study, the small elasticity of the exportation price in the function of export...

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