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王花兰  周伟  王元庆 《经济地理》2006,26(4):594-597
中心城—卫星城间交通在大城市空间结构扩展中的作用机理及贡献程度的量化研究是分析、研究我国大城市与卫星城市间交通问题的关键。文章对传统的土地预测引力模型加以改进,并结合计算机模拟技术,构建了中心城—卫星城间交通对城市空间扩展影响模型,揭示了中心城—卫星城间交通在大城市空间结构扩展中的作用机理及贡献程度。文章认为中心城—卫星城间交通普遍化费用降低导致城市扩展单元在卫星城的分配比例增长,而在建成区和边缘区分配比例降低。得出可通过发展中心城—卫星城间交通引导城市空间向卫星城扩展。  相似文献
2.
The purpose of the paper is to find out the borrowing cost premia for those individuals who are liquidity-constrained, or who are first-time buyers of real estate. The analysis uses the similarity of a leveraged purchase with the exercise of a call option to defer the purchase of the asset. Sensible parameters are selected for the option, and simulations are run to identify the cost premia. The main conclusion is that these borrowing costs are prohibitive in central tendency and in dispersion. This means that liquidity-constrained individuals may be given borrowing quotations, but these quoted rates are so high and variable that these individuals are unwilling to borrow.  相似文献
3.
杜茂康  谢青  吴建 《时代经贸》2007,5(12X):1-2,4
企业ERP人才培养正受到越来越多重视,将新技术应用于ERP人才培养是当前的一个研究热点。在简要介绍ERP和仿真技术的基础上,论述了系统仿真在ERP人才培养中的应用现状和趋势。最后对基于计算机仿真技术的ERP人员培训软件平台进行了分析和并给出了平台设计的思路。  相似文献
4.
Lex Borghans 《Applied economics》2013,45(13):1663-1677
After graduation many students start working in sectors not related to their field of study or participate in training targeted at work in other sectors. In this article, we look at mobility immediately after graduation from the perspective that educational choices have been made when these pupils had little experience of the actual working life in these professions. We develop a model where students accumulate partially transferable human capital but also learn about their professional preferences at the university and during the first years in the labour market. As a consequence of this newly acquired insight, these young workers might realize that working in another occupational field would better fit their preferences, although they are better equipped to work in their own field. The empirical analysis reveals that if wages are 1% lower due to lower skill transferability, the probability that a graduate who regrets his choice actually switches decreases by 1.4 percentage points, while those who switch on average take 0.3 months additional education.  相似文献
5.
The author developed a simple computer program for the in-class simulation of the repeated prisoner's dilemma game with student-designed strategies. He describes the basic features of the software and presents two examples for the use of the program in teaching the problems of cooperation among profit-maximizing agents.  相似文献
6.
The Technical Barriers to Trade (TBT) is an important problem faced to the export of China. Based on the number differences of TBT notifications between countries, we propose the concept and computational method of the technical barrier coefficient. By means of price-production and price-demand functions, a trade model with a developed country and a developing country is designed. The available trade policies such as technical barriers, tariffs and export subsidies are simulated and analyzed. According to the simulation results, several trade strategies to come over technical barriers are suggested. These suggestions were provided to several export enterprises for their export strategy design.  相似文献
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