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111.
112.
The introduction of new IT-based technologies is often said to revolutionize media and retail competition, change the power of brands, and make ‘smart shopping’ or ‘e-commerce’ the future of consumer relations. Other sources, however, caution that the underlying ideas are neither new nor likely to significantly change the market environment. It is the purpose of this article to present a brief perspective on:
1.
1.|Why current changes in media will alter consumer relations; 2.
2.|Which means of consumer access is likely to dominate; 3.
3.|How the result affects the case for e-commerce; and 4.
4.|How this shapes the evaluation of commercial opportunities for established players as well as newcomers.
113.
114.
对纵贯数据统计分析的认识 总被引:1,自引:0,他引:1
在介绍了纵贯数据的设计思想及优缺点基础上,从统计方法的角度讨论了纵贯数据在社会科学中所能发挥的作用。纵贯数据的优点在于其可以帮助我们进行对总体异质性的识别、对因果机制干预的研究、对因果效应的研究和对状态变换的研究。以一些基于纵贯数据的研究设计为实例,文章阐述了在研究中假设与数据紧密衔接的重要性,以及利用统计方法分析纵贯数据时需要考虑的要点。但由于存在着由人类和人类行为内在变异性导致的这一无法避免的根本性缺陷,纵贯数据并不能解决所有问题。因而在纵贯数据的辅助下,研究者需要对社会现象有更深入的理解,将其进行更合理的概念化,并加以更精准的数据分析。 相似文献
115.
文章分析了北京市优质公共资源配置与人口分布现状,并提出实现中心城人口疏解的相应对策。指出,人口迁移的一个重要因素是各种优质公共资源的吸引。北京的教育、医疗卫生、文化、体育、公共交通等优质公共资源在中心城高度聚集是导致人口在中心城聚集的一个重要原因。为此,要疏解中心城人口,需采取如下措施:政府主导,在新城高标准配置优质公共资源;优先疏解中心城教育、医疗资源;强化轨道交通的引导作用,降低新城居民出行的成本。 相似文献
116.
Du Peng Professor Center for Population Development Studies of Renmin University of China; Zhang Hangkong Lecturer 《当代中国人口》2011,(6):35
Using data collected by Center for Population and Development Studies of Renmin University of China in 2009 in Chaoyang district of Beijing, Dongguan city of Guangdong province and Zhuji city of Zhejiang province, this paper does an empirical study on the laddering migration of China’s floating population. The findings indicate that floating population’s geographical laddering migration, occupational laddering migration and family laddering migration exist in the process of migration. Geographical laddering migration is influenced by demographic characteristics, migration experience and pathfinder effect of parents. Occupational laddering migration is influenced by migration experience, stability of occupation and social interaction with local residents in destination. Family laddering migration is influenced by family member’s characteristics, area of arable land, migration experience and the number of relatives in destination. 相似文献
117.
We analyse the Italian labour market, which is typically considered to be highly regulated. We focus on the costs imposed on firms by the institutional environment in which they operate, and on the adjustment strategies that they pursue as a result. We have followed two complementary approaches: the analysis of the development of the laws relating to hiring and firing, together with a set of interviews of 61 manufacturing firms. This also allows us to quantify the extent of turnover costs on the total labour costs. Hiring costs, which include recruiting and training, range between 2.0 and 2.6 months of labour costs; firing costs range from less than half a monthly labour cost to 20 months of labour costs in cases of conflict. 相似文献
118.
The paper analyses the impact of foreign workers on the Italian labour market. We address the issue of whether immigrants from less developed countries are complementary or substitutes to domestic workers. We construct a data set on immigrant workers from the Administrative Social Security Archive which starts in 1986, before the general amnesty of 1990–91, when a large share of illegal immigrants were granted working permits, and end in 1995. A two-stage procedure devised by Moulton is applied to yearly cross-sections of wages by industry and region. Our results show that the inflow of immigrants raises the wages of native manual workers (i.e. it has a complementary effect), and this effect is larger in small firms and in the north of the country. We postulate that the positive impact on native wages is due to the existence of labour constraints on the side of firms. Firms are unable to expand their output because they cannot find native workers who are willing to undertake certain (typically low-skilled) jobs. Immigrants help to fill this gap. This view is reinforced by the fact that over a ‘crucial threshold’ of the share of foreign work (7.7–12 percent) additional inflows in the labour market of foreign work have a negative effect on native wages (i.e. they compete with natives). 相似文献
119.
De Santis Gustavo Maltagliati Mauro Petrucci Alessandra 《Social indicators research》2021,158(1):81-106
Social Indicators Research - The presence of foreigners in a host country is a contentious issue: opponents claim, among other things, that the cultural distance between them and natives is too... 相似文献
120.
Alessandra Cenci 《Mobilities》2018,13(4):551-568
The paper explores patterns of skilled labour mobility from the Southern eurozone to the metropolitan area of Copenhagen by means of a qualitative micro-study. The key hypothesis is that in/outflows may not only be a consequence of the present economic crisis but may also rely on the deep-rooted, democratic-socio-cultural aspects or dissimilar policy choices of sending/hosting countries. These same aspects are expected to influence return/circular migration. In contrast to mainstream theories of international migration, this viewpoint is supported by findings which illustrate how non-economic factors can be also crucial and why enhancing beneficial return/circular migration in the Southern eurozone can be incompatible with the application of austerity. 相似文献