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   42篇
  免费   1篇
管理学   2篇
人口学   5篇
理论方法论   15篇
综合类   5篇
社会学   16篇
  2018年   2篇
  2016年   1篇
  2015年   1篇
  2014年   3篇
  2013年   3篇
  2012年   1篇
  2011年   2篇
  2008年   3篇
  2006年   1篇
  2005年   1篇
  2004年   1篇
  2003年   1篇
  2002年   2篇
  2001年   1篇
  1999年   1篇
  1998年   1篇
  1996年   1篇
  1992年   1篇
  1990年   1篇
  1988年   3篇
  1987年   1篇
  1984年   1篇
  1983年   1篇
  1980年   1篇
  1977年   3篇
  1969年   1篇
  1968年   1篇
  1967年   1篇
  1966年   1篇
  1964年   1篇
排序方式: 共有43条查询结果,搜索用时 15 毫秒
11.
In this paper we focus on the possibility of migrants' self-selection through strategic remittances. We argue that migrants of a specific community might be pooled with migrants from other ethnic minorities on the labor market of the foreign host country and that this could reduce the occurrence of strategic remittances. In a simple model with two types of workers, skilled and unskilled, facing two possible actions, to migrate or not to migrate, we derive the theoretical conditions under which strategic transfers are still operating when pooling among communities is introduced. We then show through numerical illustrations that the case for strategic transfers is rather weak when using realistic values for the main parameters of the model. Received: 1 October 1997/Accepted: 7 April 1998  相似文献   
12.
This paper introduces a method and preliminary findings from a database that systematically measures the character and stringency of immigration policies. Based on the selection of that data for nine countries between 1999 and 2008, we challenge the idea that any one country is systematically the most or least restrictive toward admissions. The data also reveal trends toward more complex and, often, more restrictive regulation since the 1990s, as well as differential treatment of groups, such as lower requirements for highly skilled than low‐skilled labor migrants. These patterns illustrate the IMPALA data and methods but are also of intrinsic importance to understanding immigration regulation.  相似文献   
13.
14.
15.
Within the last decade, there has been a dramatic bloom in ridesharing businesses along with the emergence of new enabling technologies. A central issue in ridesharing, which is also important in the general domain of cost-sharing in economics and computer science, is that the sharing of cost implies positive externalities and hence coordination problems for the network users. We investigate these problems experimentally in the present study. In particular, we focus on how sequential observability of transportation mode choices can be a powerful facilitator of coordination in ridesharing. Our study abstracts the essential issues of coordination in ridesharing into a directed network game with experimentally testable predictions. In line with the theoretical analysis, our experimental evidence shows that even a limited extent of sequential choice observability might lead to efficient coordination. However, convergence to efficiency is slower with more limited observability, resulting in a significant increase in travel cost.  相似文献   
16.
17.
18.
19.
20.
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