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排序方式: 共有241条查询结果,搜索用时 31 毫秒
41.
Using historical census microdata, we present a unique analysis of racial and gender disparities in destination selection and an exploration of hypotheses regarding tied migration in the historical context of the Great Migration. Black migrants were more likely to move to metropolitan areas and central cities throughout the period, while white migrants were more likely to locate in nonmetropolitan and farm destinations. Gender differences were largely dependent on marital status. Consistent with the "tied-migration" thesis, married women had destination outcomes that were similar to those of men, whereas single women had a greater propensity to reside in metropolitan locations where economic opportunities for women were more plentiful. 相似文献
42.
Kyle Hyndman Santiago Kraiselburd Noel Watson 《Production and Operations Management》2014,23(2):221-238
In this article, we study behavior in a series of two‐player supply chain game experiments. Each player simultaneously chooses a capacity before demand is realized, and sales are given by the minimum of realized demand and chosen capacities. We focus on the differences in behavior under fixed pairs and random rematching. Intuition suggests that long‐run relations should lead to more profitable outcomes. However, our results go against this intuition. While subjects' capacity choices are better aligned (i.e., closer together) under fixed pairs, average profits are more variable. Moreover, learning is slower under fixed pairs—so much so that over the last five periods, average profits are actually higher under random rematching. The underlying cause for this finding appears to be a “first‐impressions” bias, present only under fixed matching, in which the greater the misalignment in initial choices, the lower are average profits. 相似文献
43.
“Wine mom” discourse encourages American women to self-deprecatingly bond over the stressors of parenting and touts alcohol use as necessary means for coping and escapism. Before the added stress of the COVID-19 pandemic, whereby alcohol sales and consumption increased in the United States, rates of heavy drinking and alcohol-related illnesses among US women have been steadily increasing. Exceeding the clinical markers of responsible alcohol use, “wine mom” discourse normalizes an inextricable link between alcohol misuse and expectations of (White, middle-class) motherhood. Online communities and businesses emphasize “wine mom” discourse for self-acceptance and bonding in response to the impossible demands of hegemonic motherhood. In this critique of “wine mom” discourse, we argue that although alcohol consumption is commonly touted as self-care, this messaging operates in toxic ways that harms women and reinforces patriarchy. Applying Merton's strain theory, we argue that “wine mom” trends and related discourse encompass a harmful form of conformity, if not false resistance, to the strain of flawed cultural goals and lacking institutionalized supports for American mothers. We call for true rebellion, emphasizing positive discourse as well as structural changes and policy reforms to dismantle patriarchal barriers and hegemonic motherhood constraints to better support American families. 相似文献
44.
Jay D. Teachman Lucky M. Tedrow Kyle D. Crowder 《Journal of marriage and the family》2000,62(4):1234-1246
We use data from a variety of sources to describe recent dramatic changes in the composition, economic stability, and diversity of American families. The declining prevalence of early marriage, increasing level of marital dissolution, and growing tendency to never marry, especially among some racial and ethnic groups, reflect changes in the relative economic prospects of men and women and support the conclusion that marriage is becoming less valued as a source of economic stability. These developments also imply that relatively more children are born outside of marriage, spend at least part of their childhood in a single‐parent household, and endure multiple changes in family composition. Paralleling these trends have been sharp changes in the economic stability of families, characterized most notably by a growing importance of women's income and increasing economic inequality among American families. 相似文献
45.
The purpose of this study was to examine the relationship between religiousness and alcohol use of adolescents. A sample of high school seniors was drawn based on the second follow-up National Educational Longitudinal Study of 1988 (NELS:88). Multiple regression was employed using a hierarchical strategy to determine the impact of religiousness on alcohol use when accounting for other factors that have been shown to affect alcohol use. The results provide support for examining religiousness variables as predictors of alcohol use patterns for adolescents. Also, inconsistent patterns between Asian-American, Hispanic, African-American, and Caucasian students were detected. Implications of the study and suggestions for future research are offered. 相似文献
46.
Kyle W. Anstey 《Disability & Society》2008,23(3):235-246
Many prominent bioethicists argue that positive consequences follow from avoiding disability in offspring by preconceptual, preimplantation or prenatal means. This paper critiques two variants of these positions: ‘Open future’ arguments that avoiding disability is in the interest of the persons who will be affected by it if born and ‘non‐person‐affecting’ claims that failures to avoid disability in offspring are wrong for reasons independent of their effect on affected offspring. Difficulties with both person‐affecting and non‐person‐affecting accounts are discussed in support of the charge that these arguments do not show that positive consequences follow from disability avoidance. 相似文献
48.
Bauer Y 《Holocaust and genocide studies》1987,2(2):209-220
The Holocaust was a human event, perpetrated for human reasons which can be historically explained. As an event within history, it is unique in terms of the murderers'S motivation: a mission to rescue Germany, Europe and the world from their supreme enemy, the Jews. Other events, such as that which seems to most closely parallel the Holocaust, the Armenian massacres by the Turks in World War I, bear certain similarities to the Holocaust. Yet. In its attempt at total physical annihilation of all Jews everywhere, the Holocaust is unique. It stands at the extreme end of a continuum of human brutality, extending from mass murder, which has become commonplace, to genocide, and to Holocaust. 相似文献
49.
In this article we explore the profitability of different operations models used by online grocers and develop a linear demand model in a competitive setting to better understand the trade‐offs made by two competing online grocers in choices for distribution strategy (leverage or direct) and product focus (perishable or nonperishable). We find that the results derived in the duopoly setting are different from those in a monopolistic setting. Specifically, we determine that there is a threshold value for the secondary competitive effects in the demand function that determines how the prices and profitability of an online grocer will be affected by the supply chain length of its competitor. There is also a threshold value for the ratio of supply chain lengths of the two competitors that determines whether product perishability increases or decreases profits. We demonstrate that the existence of this threshold is robust when considering capacity constraints. Further, we show, assuming that supply chain length can be optimized, how the relative size of the infrastructure change cost (when compared with that of the competitor) coupled with the perishability of the product determines the profitability of an investment leading to a shorter supply chain. 相似文献
50.