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91.
Gianpaolo Abatecola Fiorenza Belussi Dermot Breslin Igor Filatotchev 《Journal of Management and Governance》2016,20(1):1-17
How do social organizations evolve? How do they adapt to environmental pressures? What resources and capabilities determine their survival within dynamic competition? Charles Darwin’s seminal work The Origin of Species (1859) has provided a significant impact on the development of the management and organization theory literatures on organizational evolution. This article introduces the JMG Special Issue focused on Darwinism, organizational evolution and survival. We discuss key themes in the organizational evolution research that have emerged in recent years. These include the increasing adoption of the co-evolutionary approach, with a particular focus on the definition of appropriate units of analysis, such as routines, and related challenges associated with exploring the relationship between co-evolution, re-use of knowledge, adaptation, and exaptation processes. We then introduce the three articles that we have finally accepted in this Special Issue after an extensive, multi-round, triple blind-review process. We briefly outline how each of these articles contributes to understanding among scholars, practitioners and policy makers of the continuous evolutionary processes within and among social organizations and systems. 相似文献
92.
Igor Ryabov 《Sociological inquiry》2009,79(4):453-480
The academic achievement of immigrant children has been a focus of social research for decades. Yet little attention has been paid to peer social capital and its importance as a school context factor for the academic success of immigrant youths. Using multilevel data from the National Longitudinal Study of Adolescent Health (Waves 1 and 3), this article draws upon social capital theory and assimilation theory to examine the effects of peer social capital on the academic achievement and attainment of immigrant and native youths. The effects of three measures of peer social capital are studied, controlled for many important variables, for example, sociodemographic background variables, school characteristics, and family social capital. Results indicate that only the average GPA (grade point average) of peers had a consistent and significant effect on children's achievement and attainment, whereas the density and the homogeneity of the peer network did not. Furthermore, all three measures of peer social capital have stronger effects for immigrant youths than for native youths. 相似文献
93.
Igor S. Kon 《Symbolic Interaction》1993,16(4):395-410
This article examines the effect that the recent changes in Soviet Society have had on the self-identity of its members. The sudden collapse of the Soviet Union and the precipitous decline of its economy deprived individuals of the familiar guideposts that served to define their identity. The void created in the self-consciousness of ex-Soviet citizens is now being filled by nationalist ideologies which emphasize ethnic exclusiveness and suppress the universalistic identity references typical of the modern era. The argument is made that the habitual self formed during the Soviet era offers a strong resistance to change and poses serious problems for Russian reformers. 相似文献
94.
Igor Kusyszyn Lorne Rubenstein 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》1985,1(2):106-110
Principal components factor analysis of a fifteen-item betting behavior question-naire and the internal-external locus of control scale administered to 175 male racegoers at two different race tracks yielded four interpretable behavior patterns approximating four personality dimensions found in the gambling literature. 相似文献
95.
Site-Specific Applications of Probabilistic Health Risk Assessment: Review of the Literature Since 2000 总被引:1,自引:0,他引:1
Whether and to what extent contaminated sites harm ecologic and human health are topics of considerable interest, but also considerable uncertainty. Several federal and state agencies have approved the use of some or many aspects of probabilistic risk assessment (PRA), but its site-specific application has often been limited to high-profile sites and large projects. Nonetheless, times are changing: newly developed software tools, and recent federal and state guidance documents formalizing PRA procedures, now make PRA a readily available method of analysis for even small-scale projects. This article presents and discusses a broad review of PRA literature published since 2000. 相似文献
96.
AbstractEffects of testosterone (T) on the cardiovascular system of men remain controversial. The impact of T-replacement therapy (TRT) in men with functional hypogonadism and type 2 diabetes mellitus (T2DM) has to be elucidated. This study included 80 men (mean age 51.5?±?6.3 years) with newly diagnosed T2DM (according to ADA criteria) and functional hypogonadism (according to EAU criteria). Randomization: Group1 (n?=?40): TRT using 1%-transdermal T-gel (50?mg/day), Group2 (n?=?40) no TRT (controls). Dietary treatment applied to both. Parameters at baseline/after 9?months: anthropometric parameters, lipids and indicators of carbohydrate metabolism (fasting glucose, insulin, HbA1c, HOMA-IR), markers of adipose tissue and EnD (leptin, resistin, p- and e-selectin, ICAM- 1, VCAM- 1 and CRP). ANCOVA for repeated measurements revealed TRT to cause a significant decrease in waist circumference (WC), HOMA-IR and HbA1c vs controls (p?<?.001, p?=?.002, p?=?.004, respectively). Leptin declined in subjects receiving TRT vs controls (p?=?.04). Concentrations of resistin, ICAM-1, p-selectin and CRP decreased significantly vs controls (all p?<?.001); no effects for e-selectin and VCAM-1. Advanced age attenuated effects, higher delta testosterone levels augmented effects. Decrement of WC was related to decreasing markers of adipose tissue secretion/EnD. TRT in men with functional hypogonadism and T2DM improved carbohydrate metabolism and markers of endothelial dysfunction. 相似文献
97.
98.
Igor Fedyukin 《Theory and Society》2018,47(2):207-231
Radical “Westernizing” transformations in extra-European countries, from Peter I’s Russia to Meiji Japan, are traditionally presented as a response to pressures from the more militarily and technologically advanced European powers. This corresponds to the general tendency to view war as the driving force behind early modern state-building. However, the question remains: how exactly did such transformations happen, and what explains their timing? Why did some countries, such as Russia, embark on radical institutional restructuring that threatened large sections of the traditional military classes in the absence of any obvious existential threat, while in others even clear and immediate dangers failed to ignite a full-scale “Westernization”? This article seeks to complicate the “bellicist” narrative of “Westernizing” transformations and to generalize about the role of elite conflict in propelling “self-strengthening” reforms. It argues that “Westernizations” in extra-European polities were enabled by breakdown of domestic political balance and driven by “challengers” emerging in the course of these conflicts, as they strove to maximize their power. Factional struggles accompanying “Westernizations” are interpreted here not as a conservative reaction against reforms, but as a process that preceded and enabled institutional restructuring. 相似文献
99.
100.
Igor Ryabov 《Race and social problems》2013,5(1):15-27
Using multinomial logistic modeling, the current study estimated the impact of skin tone on school-to-work and school-to-college transitions of African American youths. The findings suggest that African American males with the lightest skin tone were more likely to find a job and to be in college than their co-racial peers with darker skin tones. The odds of finding a full-time job were also significantly higher for African American females with the lightest skin tone. Generally, the multivariate results reveal that among the effects examined in this study, the family background factors, marital status, prior achievement, and average school socioeconomic status matter the most. 相似文献