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This article considers the problem of testing for linearity of stationary time series. Portmanteau tests are discussed which are based on generalized correlations of residuals from a linear model (that is, autocorrelations and cross-correlations of different powers of the residuals). The finite-sample properties of the tests are assessed by means of Monte Carlo experiments. The tests are applied to 100 time series of stock returns.  相似文献   
53.
This study investigates the determinants of chronic health conditions that worry the member of rural couples who serves as the household financial manager. A sample of 1,115 rural couples from the NC-182 regional research project Family Resource Utilization as a Factor in Determining Economic Well-Being of Rural Families is used. The logit analysis finds that the probability of having a condition that worries the financial manager increases if she or he is middle aged or older, is not employed, and has external Locus of Control. This probability also increases when the dissatisfaction with the resources available to handle a financial emergency increases and the more often the financial manager does not have money to pay for the doctor.Preparation of this research was supported in part by the Minnesota Agricultural Experiment Station project 52–056 and the Minnesota Extension Service. Data were collected in conjunction with the cooperative regional research project NC-182, Family Resource Utilization as a Factor in Determining Economic Well-Being of Rural Families. Cooperating states are Arizona, California, Illinois, Indiana, Iowa, Kansas, Michigan, and Minnesota.Her current research interests include the economic well-being of various family forms. She received her Ph.D. from University of Illinois.Her current research interests include family financial management and consumer bankruptcy. She received her Ph.D. from the University of Missouri.Her current research interests include issues concerned with family stress management including financial stress. She received her Ph.D. at Michigan State University.Her current research interests include economic and environmental well-being for families and individuals with emphasis on the impact of environmental regulations on economic well-being. She received her Ph.D. from University of Illinois.His current interests include economic well-being of rural families. He was a research assistant for Dr. Bauer before receiving his Ph.D. degree in Agriculture and Applied Economics, University of Minnesota, St. Paul, MN.  相似文献   
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An adjacent vertex-distinguishing edge coloring, or avd-coloring, of a graph G is a proper edge coloring of G such that no pair of adjacent vertices meets the same set of colors. Let $\operatorname {mad}(G)$ and Δ(G) denote the maximum average degree and the maximum degree of a graph G, respectively. In this paper, we prove that every graph G with Δ(G)≥5 and $\operatorname{mad}(G) < 3-\frac {2}{\Delta}$ can be avd-colored with Δ(G)+1 colors. This completes a result of Wang and Wang (J. Comb. Optim. 19:471–485, 2010).  相似文献   
55.
In the preceding issue of this journal, a generalized version of the Brass growth balance method was proposed that made it applicable to populations that are not stable and are open to migration. In this companion paper, the results of applying this new procedure to data from India's Sample Registration system for the decades 1971-80 and 1981-90 are discussed. The results at the national level show that, during the decade 1981-90, 5 percent of the deaths among men, 12 percent of the deaths among women, and about 7 percent of births were being missed by the system. Further, it is estimated that the level of under-enumeration in the 1991 Census was more than that of the 1981 Census by 0.7 percent for males and 1.4 percent for females. The paper also presents results for major Indian states.  相似文献   
56.
There is a small but growing literature on the determinants of social capital. Most of these studies use a measure of trust to define social capital empirically. In this paper we use three different measures of social capital: the size of the individual’s social network, the extent of their social safety net and membership of unions or associations. A second contribution to the literature is that we analyze what social capital contributes to our well-being. Based on this, we calculate the compensating income variation of social capital. We find differences in social capital when we differentiate according to individual characteristics such as education, age, place of residence, household composition and health. Household income generally has a statistically significant effect. We find a significant effect of social capital on␣life␣satisfaction. Consequently, the compensating income variation of social capital is substantial. Thanks to Tijl Woortman for his research assistance.  相似文献   
57.
This paper constructs a weighted measure of the multidimensional concept of gender inequality: the Multidimensional Gender Inequality Index (MGII). Multiple Correspondence Analysis is used to rank the separate forms in which gender inequality appears in developed and developing countries respectively. Eight dimensions were identified as relevant for economic purposes: identity, physical integrity, intra-family laws, political activity, education, health, access to economic resources, and economic activity. In the 109 developing countries considered, gender inequality in the identity and family dimensions are particularly severe for women: these dimensions hence have greater weight in the MGII. However, in OECD countries gender inequality occurs mainly in the political and family dimensions. Nevertheless, the family sphere remains particularly important for gender inequality, whatever the level of development. The MGII is a non-linear weighted composite indicator of gender inequality which yields a country ranking. The South-Asian region is calculated to be the most unequal.  相似文献   
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This study of the material benefits brought to American news workers from the 1930s through the 1960s builds on previous work by media labor‐studies scholars such as Bonnie Brennen, Daniel Leab, Phillip Glende and Sam Kuczun, among others, who have examined the history of the American Newspaper Guild (ANG) in great detail. Their work has focused on legal and policy developments under the Roosevelt administration and in U.S. labor law. My study, as part of a larger project, looks at some of the ground‐level impacts of unionization. It does so examining Editor & Publisher, The Quill and The Guild Reporter, among other publications, and references to the material benefits in pay, time off, work‐life balance, health insurance, job security and other, practical and positive ancillary effects brought by the uneven unionization of the newsroom. The arrival of white‐collar unions for new workers was not a panacea to their problems. But it did help them in their collective quest in the United States during the interwar and then post‐World War Two‐eras for better working conditions and a firmer sense of their professionalized identity.  相似文献   
59.
    
Most gambling studies have a gender-blind research approach, although a large body of scientific evidence suggests that gambling in females is on the rise and that males and females have different gambling behaviours and experience specific gambling-related harm. This study addressed these gender differences using a network analysis, an innovative approach considering disorders/concepts as dynamic systems of interacting symptoms/items. Data on gambling activities, problem gambling, substance use and mental health were collected in a representative sample of French adult gamblers (n = 8805). The study capitalized on the network analysis directly to compare associations of specific gambling activities with gambling disorder symptoms separately for both genders. The network analysis revealed that problem gambling was strongly associated with gambling machines among females, whereas it was related to sports betting, poker and casino games among males. The networks that included substance use and mental health showed that substance use was related to specific gambling activities. These findings confirm the links between various gender-specific gambling patterns and problem gambling and suggest a need to consider these gender differences to improve prevention efforts. More broadly, the present study further supports the importance of gender differences for gambling research and policy.  相似文献   
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