This appears to disprove previous studies in this area based on the assumption of perfect competition 如此，过去在完全竞争市场结构假设下，相关研究结果，可能尚有商榷必要。
Comparative advantage theorem originated in the time of the classical economics with the assumption of perfect competition and a static view 比较优势理论发端于古典经济学时代，最初是种完全竞争市场下的静态分析。
Cases study seems to undermine the pure theory and this may attribute to the assumption of perfect competition , which is obviously unrealistic 完全竞争市场假设脱离了现实，很可能是导致实证不支持理论的原因所在。
This paper analyzes the characteristics of perfect competition market and imperfect competition market , and establishes a free allocation model in both markets separately 本文研究的是在不同的市场条件下分析、建立并选择适合的初始排污权免费分配的分配模型。
Since the end of 80 ' s in 20 centuries , the theoretical analyses of economic integration have already expanded from traditional perfect competition model to imperfect competition model 摘要20世纪80年代末以来，对区域经济一体化的理论分析已从传统的完全竞争模型扩展到不完全竞争模型。
The old industrial production is a batch process of resources intensive products , opening according on the whole to the principle of “ perfect competition ” which the classical economists one - sidedly wished based on a series of grants in the hope to set up a balanced and orderly economy world 传统的工业生产是一个大批量的资源密集型产品生产过程，经济运作基本上是按古典经济学家的“完全竞争”进行的，经济世界是均衡有序的。
With the deepening constantly of system reform of electric powef , ( mmep ) have to enter the perfect competition stage from the monopolistic competition stage . emancipating the mind , changing idea and setting up the development strategies to meet the market seems particularly important 随着电力体制改革的不断深入，长期处于行业保护之下的电力多种经营企业即将进入市场；解放思想、转变观念，建立适应市场的发展战略就显得尤为重要。
Ads stimulating . to continuously make and keep competitive advantages over others in that coming near perfect competition situation , business a home should learn to always keep consumers concern , the first issue is to find the intention of customs in their purchase activities so that the quality of our product can be improved based on the favor of customs 为了能够在这种成熟发展的市场竞争环境中继续赢得和维持竞争优势，国内企业必须从消费者角度出发，探讨、分析顾客偏好，改进自己的产品，以适应消费者；同时根据市场需求，及时研发新产品，引导顾客购买，从而摆脱低水平的价格竞争，取得市场优势和企业赢利的双丰收。
To continuously make and keep competitive advantages over others in that coming near perfect competition situation , business at home should learn to always keep consumers " concern , market trend and customer satisfaction in mind while making their product line decisions , either for market share or profit purpose 为了能够在这种成熟发展的市场竞争环境中继续赢得和维持竞争优势，国内企业必须从消费者的角度出发改进产品线决策水平，摆脱低水平的价格战，以取得市场优势和企业盈利的双丰收。
Two big changes have taken place in the united states " international trade field since 1980 ' s . one of above big changes took place in the field of economic theory . the traditional theory of international trade , which is based on perfect competition and invariability of scale return , can no longer justify many economic novelties 本文以美国20世纪80年代开始实施的战略性出口贸易政策为研究对象,从对战略性出口贸易政策理论的分析入手,对其理论的两个层次,即“利润转移”理论和“外部经济”理论给予阐述和说明,并给予模型和数量方面的分析。
