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For an engineering project with running income, the result of time-cost trade-off problems (TCTP) concerning construction duration is only partly optimal. More cash flow happens during the running period, and the final goal of clients is to obtain the maximal profit across the lifecycle of engineering projects. In some situations, the cost of compressing construction duration even exceeds the increase...
For a three-echelon stochastic inventory system in the supply chain, it is difficult to get optimal inventory control policies by analytical methods. The paper sets up an optimization model, which is built on the basis of the discrete event system simulation theory. The simulation-based optimization method is used to solve the problem by combining the simulation model and the particle swarm optimization...
In allusion to the evolution process of knowledge-based alliance, we establish models of the evolution of symmetrical knowledge-based alliance and asymmetrical knowledge-based alliance separately by evolution game theory. We draw the axle graphs of two-dimensional plane of symmetrical enterprise system and asymmetrical enterprise system and analyze them separately on basis of dynamic equation of enterprise...
This paper develops a kind of generalized double-sided moral hazard model of contract choice with Cobb-Douglas technology in a frame of principal-agent theory. Using this model, we formally prove that the optimal contract maximizes the output net of the disutility of both the parties and carry out some simulations exercise under two special cases which help explain the double-sided moral hazard issues...
Abstract-Taking China's ports-hinterland logistics system as an example, the paper discusses the harmonious operation of logistics finance management of supply chain which is composed of the functional entity activities such as transportation, warehousing, packaging, circulation and information transmission, as well as the goods movement of all sectors of the logistics process. The logistics finance...
In order to study the effects of the contract coordination in the supply chain, the complex adaptive system (CAS), Agent model-building and supply chain theories were introduced, and the competitive rules and assumption conditions of simulation of the corporations in the supply chain were described. Then competitive environment of the supply chain was constructed on the Swarm simulation platform,...
Research on project success is an eternal issue in project management. It has very important meaning in current social and economical innovation in China. Establishment of reasonable evaluation system can not only deepen cognition of the partner, but also used as reference to the establishment of controlling system of the subsequent project. This paper established longitudinal and lateral evaluation...
There are usually three methods for supplier slecetion, they have their own characteristics and are suitable for different environmental requirements. In real economic activity, supplier selection usually take place in the environment with insufficient information, the evaluation indicators of which show both the quantitative and qualitative characteristics. Grey system theory solved the evaluation...
Construction projects are one-off endeavors with many unique features such as long period, complicated processes, abominable environment, financial intensity and dynamic organization structures and such organizational and technological complexity generates enormous risks. And environmental and economical dimensions throughout the life cycle of the construction project, so the construction project...
The electric power industry is regarded as the basic industry of national economy, which makes it unable to get rid of the governmentpsilas regulation, as well as its own technology and economic characteristic. After reforming of regulation, government pays a good deal of attention to the performance-base regulation which has been used in telecommunication successfully and can solve the low efficiency...
Following the steady demand growth and diminishing generation capacity margin due to lack of generation investment, Slovenia is already importing almost a quarter of electricity needed to cover its demand. Coupled with the deregulated electricity market and the European Union (EU) climate change mitigation measures implemented through EU Emissions Trading Scheme (EU ETS), the economic as well as environmental...
A comprehensive and objective post-evaluation of rural electric network reformation (RENR) will bring a scientific suggestion for decision-making with the financing is shortage. In this paper, on the base of analyzing methods used in post-evaluation before, a new model, which integrated with fuzzy theory, interval number and analytic hierarchy process (AHP), is proposed. Multi-factors and information...
Using an aggregate production model where capital, labor and energy are treated as separate inputs, this paper tests for the existence and direction of causality between output growth and oil consumption in China. Using the Johansen cointegration technique, the empirical findings indicate that there exists long-run cointegration among output, labor, capital and oil consumption in China. Then using...
The distributed generation (DG) acts an important role in the reliability of electric power system. In power market, with the rapid development of DG in recent years, it is necessary to discern and calculate the value of possible economic contract between the DG and the integrated main power grid, in which the DG and the main grid serve as reserve capacity for each other. The problem of possible options...
In this paper, the city input-output efficiency analysis which includes electric power input has been done based on the extension models of DEA to Chinapsilas typical cities. At first, it established index system of comprehensive evaluation of city efficiency, and did input-output-effectiveness evaluation which include electric power input for China's 23 cities in 2006 and sorted by the urban development...
Short-term load forecasting (STLF) has always been a very important issue in power system planning and operation. Recently, along with power system privatization and deregulation, accurate forecast of electricity load has received increasing attention. Electricity load forecasting is complex to conduct due to its nonlinearity of influenced factors. Support vector machine (SVM) is a novel type of learning...
For a long time, China's coal-based energy structure, as well as thermal-power-led power structure, has caused serious environmental pollution problems. As the proportion of Chinapsilas power source structure is not so reasonable, it receives growing attention. To achieve the emissions constraints of major pollutants till the end of Eleventh Five-Year Plan, and optimize China's power structure, the...
Power generation adequacy is critical for the reliability of electricity supply service, and therefore its investment draws much attention. This paper builds a dynamic simulation model to solve the setting of two key parameters, the energy price cap and the capacity price in the generation market, and applies this model to various cases to analyze the generation capacity development. Based on the...
Transmission and distribution networkpsilas natural monopoly characteristic decides it must receive regulation. Based on the analysis of price-cap regulation model, combining with the situation and status of power network in China, this paper put forward a reformative price regulation model, which takes network expansion and service quality into account at the same time. To carry out the transition...
In power market, accurate electricity price forecasting can help all market participants make optimal bidding or purchasing decisions and maximize their revenue. In recent years, much attention has been focused on the short-term electricity price forecasting. Based on the theory of ARMA-GARCH model, the paper divides the constant day series into working day series and holiday series. Then the models...
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