نتایج جستجو برای: economic systems

تعداد نتایج: 1464925  

2010
Gui Wang Anupama Kowli Matias Negrete-Pincetic Ehsan Shafieepoorfard Sean Meyn

We are moving towards a radical transformation of our energy systems. The success of the new paradigm created by the Smart Grid vision will require not only the creation and integration of new technologies into the grid, but also the redesign of the market structures coupled with it. In order to design the market structures for the grid of the future, economic models able to capture the new phy...

2010
Kung-Hua Hsu Ming-Hon Hwang Yung-Fu Huang

Huang and Huang [International Journal of Systems Science, 39 (2008), 539-546] offered the algebraic approach to investigate the retailer’s replenishment policy under trade credit on the economic production quantity (EPQ) model. In this paper, we propose an arithmetic-geometric mean inequality method to simplify the algebraic method of completing perfect square established by Huang and Huang (2...

Journal: :Health policy and planning 2007
Timothy Powell-Jackson Anne Mills

Timely, reliable and complete information on financial resources in the health sector is critical for sound policy making and planning, particularly in developing countries where resources are both scarce and unpredictable. Health resource tracking has a long history and has seen renewed interest more recently as pressure has mounted to improve accountability for the attainment of the health Mi...

2010
S. I. Melnyk

The paper discusses the possibility of constructing economic models using the methodology of model construction in classical mechanics. At the same time, unlike the “econophysical” approach, the properties of economic models are derived without involvement of any equivalent physical properties, but with account of the types of symmetry existing in the economic system. It has been shown that at ...

Journal: :Environmental monitoring and assessment 2006
Quanfa Zhang Christopher O Justice Mingxi Jiang Jake Brunner David S Wilkie

This paper examines the vulnerability of the Congo Basin's forests through a GIS platform, taking into consideration the variables of population growth, road density, logging concession, and forest fragmentation. The assessment indicates that the forests will continue to shrink towards the interior over the next 50 years. Current contiguous forests will fragment into three large blocks, includi...

2016
Benjamin Yeo

Information systems have been touted as a key driver of economic growth in the modern world. Countries and regions alike have leveraged these powerful technologies to boost economic growth. In today’s knowledge-driven economy, information technologies are applicable to many industries as they can be harnessed to increase productivity and production. However, the ability to use these technologie...

2010
Jayati Ghosh

This paper compares the experience of poverty reduction in China and India. It finds that more than economic growth per se, what has mattered crucially is the nature of the growth: whether it is associated with growing inequalities that do not allow the benefits of growth to reach the poor; whether the structural change involved in the growth process generates sufficient opportunities for produ...

2011
Antonis Papaemmanouil Göran Andersson

The need for studying large scale power systems is increasing due to long distance power transfers, common power markets and planning of highly interconnected areas. Large systems are difficult to handle if not reduced. This paper focuses on reduction techniques already applied on power system models in order to achieve better calculation performance, easier handling of large amount of data and...

2010
C. I. Costopoulou

Towards promoting sustainable agriculture and economic growth, the development of the agricultural workforce and set up of innovative agricultural systems are required. Agricultural educational repositories are systems used for storing, reusing and sharing agricultural learning resources. They contribute to agricultural education at different educational levels and target groups. Thus, this pap...

Socio-economic assessment of rainwater harvesting systems considered as one of the efficient approaches in water resource management under deficit conditions, leads to a better management practice in the implementation of such systems. This work was aimed at analyzing the socio-economic limitations and potentials of rooftop catchment systems in Golestan province. The methodology was based on fi...

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