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61.
Wolfgang Zapf 《Social indicators research》1979,6(4):397-419
This paper presents a ‘system’, i.e. systematic compilation, of about 200 social indicators in 10 areas of life, for the Federal Republic of Germany, 1955–1975. The construction of this indicator system is explained and an abridged version is introduced that can be comprised into one master table. Next, an overall evaluation of welfare development in West Germany is given and four models for a time-sequence interpretation are discussed. Finally, the present effort is put in perspective, e.g. in regard of the OECD program and of recent quality-of-life survey research. 相似文献
62.
Faruk Gul Paulo Natenzon Wolfgang Pesendorfer 《Econometrica : journal of the Econometric Society》2014,82(5):1873-1912
We develop an extension of Luce's random choice model to study violations of the weak axiom of revealed preference. We introduce the notion of a stochastic preference and show that it implies the Luce model. Then, to address well‐known difficulties of the Luce model, we define the attribute rule and establish that the existence of a well‐defined stochastic preference over attributes characterizes it. We prove that the set of attribute rules and random utility maximizers are essentially the same. Finally, we show that both the Luce and attribute rules have a unique consistent extension to dynamic problems. 相似文献
63.
64.
For the stationary invertible moving average process of order one with unknown innovation distribution F, we construct root-n consistent plug-in estimators of conditional expectations E(h(Xn+1)|X1,…,Xn). More specifically, we give weak conditions under which such estimators admit Bahadur-type representations, assuming some smoothness of h or of F. For fixed h it suffices that h is locally of bounded variation and locally Lipschitz in L2(F), and that the convolution of h and F is continuously differentiable. A uniform representation for the plug-in estimator of the conditional distribution function P(Xn+1?·|X1,…,Xn) holds if F has a uniformly continuous density. For a smoothed version of our estimator, the Bahadur representation holds uniformly over each class of functions h that have an appropriate envelope and whose shifts are F-Donsker, assuming some smoothness of F. The proofs use empirical process arguments. 相似文献
65.
Claire Buhl Wolfgang L. Roth Beate Düx 《Organisationsberatung, Supervision, Coaching》2007,14(3):243-255
Development of self-management by coaching? An expert survey on the promotion of self-management competenciesThe much-discussed assumption that business coaching promotes clients’ self-management competence was explored through an expert survey. In a qualitative questionnaire study, 20 professional coaches provided information on their conceptual understanding of self-management, their approaches to promoting client self-management and on strategies employed to assess intervention outcome. In addition, coaches specified the obstacles and constraints clients encounter when transferring improved self-management skills into everyday working life. The results corroborate the relevance of the self-management concept in a coaching context. The benefits resulting from an increased consideration of self-management processes in coaching research, vocational training courses and day-to-day coaching practice are discussed. The use of theoretical concepts which provide a guideline is recommended. 相似文献
66.
温哥华作为公交系统非常完善和发达的城市,由TransLink负责地区公交规划运营、管理和融资,以及区域公交模型(RTM)的开发和应用.从模型产生的背景、模型构架和要素以及模型的标定进行阐述,并举例说明模型在温哥华城市公交规划项目中的具体应用,旨在为中国公共交通线网和运营模型的建立提供可借鉴的经验. 相似文献
67.
Wolfgang Schneider 《Statistical Papers》1988,29(1):3-33
This paper surveys the different uses of Kalman filtering in the estimation of statistical (econometric) models. The Kalman
filter will be portrayed as (i) a natural generalization of exponential smoothing with a time-dependent smoothing factor,
(ii) a recursive estimation technique for a variety of econometric models amenable to a state space formulation in particular
for econometric models with time varying coefficients (iii) an instrument for the recursive calculation of the likelihood
of the (constant) state space coefficients (iv) a means of helping to implement the scoring− and EM-method for iteratively maximizing this likelihood (v) an analytical tool in asymptotic estimation theory. The concluding
section points to the importance of Kalman filtering for alternatives to maximum− likelihood estimation of state space parameters. 相似文献
68.
The population of Western Europe (EC plus EFTA) is seen as consisting of three sub-populations: the natives, the East-European immigrants, and the non-European immigrants. Different immigration levels assumed add to the non-native populations while different levels of integration describe the transition intensities from a non-native to a native category. Alternative multi-state population projections to 2050 based on six scenarios show that (1) in the case of no further immigration the total population of Western Europe will start to decline after 2010; (2) the rate of integration influences the future size of the non-European population much more than alternative levels of immigration; (3) in the long run the Eastern Europeans will be quantitatively insignificant; (4) the Western European population is bound to significant population aging no matter what happens with immigration; and (5) in the short to medium run immigrants contribute to the alleviation of the pension burden.La population d'Europe occidentale (CE et AELE) est décomposée en trois sous-populations: les natifs, les immigrants originaires d'Europe de l'Est, et les immigrants originaires du reste du monde. Les populations non-natives augmentent sous l'effet de divers niveaux d'immigration tandis que les intensités de passage d'une catégorie non-native à native sont décrites par différents niveaux d' intégration. Des projections de population jusqu'en 2050 dans ces divers états, basées sur six scénarios, montrent que: (1) la population totale de l'Europe occidentale commencerait à baisser après 2010, dans le cas d'un arrêt de l'immigration; (2) le taux d' intégration influencerait la taille future de la population non-européenne beaucoup plus fortement que le niveau d'immigration; (3) dans le long terme, les Européens de l'Est serait en nombre très réduit; (4) la population d'Europe occidentale connaîtra un vieillissement important de sa population, quelque soit ses flux d'immigrants; et (5) dans le court et le moyen terme les immigrants contribueraient à alléger le poids des retraites. 相似文献
69.
Wolfgang Dauth Sebastian Findeisen Jens Suedekum 《Journal of the European Economic Association》2014,12(6):1643-1675
We analyze the effects of the unprecedented rise in trade between Germany and “the East” (China and Eastern Europe) in the period 1988–2008 on German local labor markets. Using detailed administrative data, we exploit the cross‐regional variation in initial industry structures and use trade flows of other high‐income countries as instruments for regional import and export exposure. We find that the rise of the East in the world economy caused substantial job losses in German regions specialized in import‐competing industries, both in manufacturing and beyond. Regions specialized in export‐oriented industries, however, experienced even stronger employment gains and lower unemployment. In the aggregate, we estimate that this trade integration has caused some 442,000 additional jobs in the economy and contributed to retaining the manufacturing sector in Germany. This is almost exclusively driven by the rise of Eastern Europe, not by China. We also conduct an analysis at the individual worker level, and find that trade had a stabilizing overall effect on employment relationships. 相似文献
70.
Wolfgang Nagl 《LABOUR》2014,28(3):251-268
We study the effects of income risk and unemployment risk on individual wages simultaneously. Starting point for the empirical analysis is a portfolio model for the labor market. This model shows positive wage effects for both risks but also a negative interaction effect. Using German administrative panel data we estimate the effects of the income risk, the unemployment risk and their interaction on individual wages separately for men and women in East and West Germany. We find the expected positive wage effects for both risks as well as a negative interaction effect. The marginal effect of income risk on wages is positive, whereas the marginal effect of unemployment risk is negative. 相似文献