نتایج جستجو برای: supply demand
تعداد نتایج: 281293 فیلتر نتایج به سال:
Supply chain network design in perishable product has become a challenging task due to its short life time, spoilage of product in degradation nature and stochastic market demand. This paper focused on designing and optimizing model for perishable product in stochastic demand, which comprises multiple levels from producer, local collector, wholesaler and retailers. The ultimate goal is to optim...
A survey of past entrepreneurship models shows that they are supply-oriented and they focus on supply factors for developing entrepreneur-ship. Therefore, in order to develop entrepreneurship, they basically look for and study factors related to supply. In accordance with this approach, the government's role has been stu-died with emphasis on the supply dimension. In addition, the previous st...
supply chain network receding horizon control demand move suppression term Supply chain networks are interconnection and dynamics of a demand network. Example subsystems, referred to as stages, include raw materials, distributors of the raw materials, manufacturers, distributors of the manufactured products, retailers, and customers. The main objectives of the control strategy for the s...
در دیدگاه مرسوم و گذشته، مدیران زنجیره تأمین به دنبال تحویل سریع¬تر کالا و خدمات، کاهش هزینه و افزایش کیفیت بودند اما بهبود عملکرد زیست محیطی زنجیره تأمین و اهمیت هزینه¬های اجتماعی و تخریب محیط زیست لحاظ نمی¬گردید. با فشار مقررات دولتی برای اخذ استانداردهای زیست محیطی از یک طرف و رشد فزاینده تقاضای مشتریان برای عرضه محصولات سبز (بدون اثر مخرب بر محیط زیست) مفهوم زنجیره تأمین سبز و مدیریت آن را ...
In this paper, we develop a dynamic system model to predict the effects of shale oil production on demand and supply of oil. We study the interaction between demand and supply of OPEC and non-OPEC member countries and supply of shale oil, oil price, growth of the global economy, development of new oil reserves and alternative energies. In our model, OPEC acts passively and covers the market d...
Aims :Water is considered as one of the main sources for development in Iran, especially in the margin of desert. Its lack is one of the main limiting factors in the life of a society and the development of economic activities. Regarding the fundamental problems in urban water supply in Yazd province, combined management of water supply and demand in order to balance the future supply and dema...
Population growth and industrial development cause the growth in electricity demand. Supply of this energy needs investment for installation of new power stations and more fuel consumption with different consequences. Furthermore, Demand side management is an approach to rationalize and reduce the rate of demand growth. With attention to the cause and effect nature in energy sector, interaction...
the objective of this paper is econometric analysis of iranian agricultural products markets (case study ofpotatoes) by using equilibrium and disequilibrium techniques. sections i and ii proceeds by classification of disequilibrium econometric literature and supply and demand analysis for agriculural products, respectively. in the other parts ofpaper potato market lif iran was hypothesized and ...
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...
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