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Project networks and the net present value approach
Abstract：
In the 1950s United States researchers firstly used network technology, 英语论文提纲in the 1960s Professor Hua introduced the technology over to China. The network technology has been rapidly applied to project management and other fields. Network optimization technology is a high-level network planning, and also it is an important part of research fields in project management. Based on the fore-researcher，s achievement，
In this paper，some research has been done on the problem of evaluating and maximizing the net present value of project.
This paper includes the fallowing parts：

1 Research background and Aims
1.1 Research background
American scholars pioneered the use of network planning, network planning technique quickly applied to project management and other fields (Wang, 2002a). Network planning optimization is a high-level network planning technology application; project management is an important element of research fields, in which the net present value https://www.51lunwen.org/yinyulunwentigang/maximization problem in recent years has become a hot network planning optimization (Wang, 2002b).
1.2 Aims
In this paper, numerical examples, comparison and analysis, show the relationship between the project network planning techniques and the net present value method to verify the discrete variable particle swarm algorithm in solving the issue of the feasibility of maximizing the net present value of engineering practice application has some reference value.
2. Theoretical foundation
2.1 An overview of project network planning technical
Optimization of network plan has four main areas:
1.Fixed duration - Resource balance
2.With limited resources - the shortest duration of the problem
3.Duration - cost trade-off issues as well as the net present value maximization problem.
4.The net present value maximization problem is characterized by a discrete decision variable for this feature;
2.2 An overview of time value of money
Time value of money: it refers to funds in the process of production and circulation over time arising from value added. It can also be seen as the cost of the use of funds. Money does not automatically change over time in value, and only in the investment process will have benefits (John, 2007), so the value of time tends to be used risk-free rate of return on investment instead of as a rational individual will not be idle funds. It varies over time is a function of time, which took place over time the value changes, changes in the value of that part of the time value of money is the original. Combination makes sense only and labour is different from inflation.

Time value of money generated by two prerequisites:
1. Experiencing certain period of time
2. Participate in the process of social reproduction turnover
Time value of money in several different understanding:
1. Liquidity preference theory: in cash profit in a timely manner and emergency stop, etc. are more convenient, lower cost, etc., the payment of interest is to give up liquidity should the remuneration
2. The opportunity cost theory: to abandon the use of funds is equivalent to giving up revenue opportunities, and thus also equivalent to the price paid, the interest cost of such compensation.
3. The residual value of partition theory: capital to participate in social reproduction generated by the residual value sh本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。