首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   30篇
  免费   2篇
财政金融   5篇
计划管理   2篇
经济学   4篇
综合类   2篇
运输经济   1篇
旅游经济   8篇
贸易经济   7篇
农业经济   2篇
经济概况   1篇
  2019年   2篇
  2018年   2篇
  2017年   1篇
  2013年   4篇
  2012年   1篇
  2007年   2篇
  2005年   2篇
  2004年   1篇
  2003年   1篇
  2002年   2篇
  2000年   1篇
  1999年   1篇
  1992年   1篇
  1986年   1篇
  1985年   3篇
  1984年   1篇
  1982年   1篇
  1980年   4篇
  1975年   1篇
排序方式: 共有32条查询结果,搜索用时 145 毫秒
31.
On the basis of the outcomes of five disaggregate national models for passenger transport, four national models for freight transport and two European transport models, a fast and approximate meta-model for passenger and freight transport in Europe has been developed. The meta-model for passenger transport includes a detailed segmentation of the population, which makes it possible to investigate the impact of policies on many different groups of the population. The meta-model for passenger and freight transport has been applied for a reference scenario for 2020 and to simulate many elements of the European Commission's Common Transport Policy. These policy measures were also assessed in terms of the consequences on the internal and external cost of transport.  相似文献   
32.
The anatomy of the macro marketing system is developed through the use of a systems methodology. This conceptual model provides academics with a frame of reference for fleshing out the marketing system as it develops over time. Beyond depicting its parts and their interrelationships, the treatise emphasizes a fundamental premise orienting change within the marketing system. Contemporary economic conditions necessitate that the marketing system operate as an aggregate mechanism for the maintenance of minimum costs. This furnishes practitioners with a basis for anticipating the transformation that will take place if the marketing system is to offer its denizens higher quality life styles in the future.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号