The purpose of this paper is to investigate the allocation of output and the water supply for two firms to produce differentiated product in two oligopoly game models established under the settings of complete information and incomplete information respectively. By solving a linear demand system model, this paper obtains the corresponding allocation results of output and the water supply for tw...

A cross-sectional study investigated risk factors associated with choices to drink bottled water and tap water in rural Saskatchewan. Of 7,500 anonymous postal questionnaires mailed out, 2,065 responses were analyzed using generalized linear mixed models. Those who reported a water advisory (p < 0.001) or living in the area for £10 years (p = 0.01) were more likely to choose bottled water. Thos...

ion methods, handpumps for example, where operation costs are minimal. For this reason gravity flow water systems are included in this category even though they may develop into networks delivering to houses. Some urban areas, particularly secondary towns and peri-urban areas, also access water through point sources and therefore require a similar approach to cost recovery. In larger urban area...

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 suppl...

Managing income is a considerable dimension in supply chain management in current economic atmosphere. Real world situation makes it inevitable not to design or redesign supply chain. Redesign will take place as costs increase or new services for customers&rsquo; new demands should be provided. Pricing is an important fragment of Supply chain due to two reasons: first, represents revenue based ...

This section looks back to some ground-breaking contributions to public health, reproducing them in their original form and adding a commentary on their significance from a modern-day perspective. In this issue, Michael A Lennon reviews the first trial of a fluoridated public water supply. Extracts of the report of the trial by Francis A Arnold et al. in 1956 are reproduced below by permission ...

results significantly high levels of radon gas were found mostly in water and residential buildings. conclusions it conclusion with regard to the study of building materials, granite stone and adobe coverings cannot be recommended for construction purposes. materials and methods the most important route of exposure to such radiation is indoor places. in this investigation measurement of radon i...