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The Journal of Technology Transfer - Previous studies have identified the importance of entrepreneurial and innovation ecosystems, however, few have considered in an integrated multi-level way, the...  相似文献   
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Despite popular media depictions, prison homicides are quite infrequent, averaging only four per one hundred thousand inmates annually in U.S. prisons during the current decade and declining over 90 percent in the past thirty years. Only a handful of studies had examined this most serious form of institutional violence. This study examined thirty-five inmate homicides, involving fifty-two perpetrators, occurring in the Texas Department of Criminal Justice for 2000-2008. The majority of homicides occurred in inmates’ cells, involved a single assailant, resulted from beatings, or was cross-racial. Often multiple motivations for the homicides were present. Hispanic inmates were overrepresented as perpetrators and victims. Perpetrators and victims were overwhelmingly male, and likely to have records of violent arrests and problematic prison adjustments. A substantial proportion of both perpetrators and victims had suspected or confirmed gang affiliations. Perpetrators were differentiated from victims by younger age, higher IQ scores, greater educational attainment, and sentences for armed robbery.  相似文献   
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Abstract

We use household survey data from Nepal to investigate relationships between women’s empowerment in agriculture and production diversity on maternal and child dietary diversity and anthropometric outcomes. Production diversity is positively associated with maternal and child dietary diversity, and weight-for-height z-scores. Women’s group membership, control over income, reduced workload, and overall empowerment are positively associated with better maternal nutrition. Control over income is positively associated with height-for-age z-scores (HAZ), and a lower gender parity gap improves children’s diets and HAZ. Women’s empowerment mitigates the negative effect of low production diversity on maternal and child dietary diversity and HAZ.  相似文献   
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While the benefits of additional schooling in the developing world are widely recognised, the best use of scarce resources to improve academic achievement remains unclear. We compare public investments in school infrastructure, school improvement grants, teacher qualifications, and attendance incentives on independently-gathered measures of academic skills as well as grade progression for 8–11 year olds in India. We match a rich household survey containing a skills-assessment module, the India Human Development Survey (IHDS), with detailed measures of each district’s education resources from the District Information Survey on Education (DISE). We also include border-pair fixed effects to control for unobserved heterogeneity. We find that incentives for children to attend school were associated with arithmetic, reading and writing skills, and grade progression. Investment in teachers were associated with greater probability a child could write and do more advanced math. Small improvement grants to schools were associated with better reading skills and writing ability. Investments in school infrastructure were only associated with improved writing ability.  相似文献   
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Evolutionary theory's utility for the study of political phenomena, including war and nationalism, has been demonstrated. However, these studies fail to explain substate violence, including terrorism, and rarely evaluate whether cost-benefit analyses differ for males and females. This article seeks to demonstrate that evolutionary theory provides intriguing insights into two phenomena that observers find difficult to understand: political violence, including terrorism and self-sacrifice in the form of suicide attacks, and female political violence.  相似文献   
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Wars within states have become much more common than wars between them. A dominant approach to understanding civil war assumes that opposition movements are unitary, when empirically, most of them are not. I develop a theory for how internal divisions within opposition movements affect their ability to bargain with the state and avoid conflict. I argue that more divided movements generate greater commitment and information problems, thus making civil war more likely. I test this expectation using new annual data on the internal structure of opposition movements seeking self‐determination. I find that more divided movements are much more likely to experience civil war onset and incidence. This analysis suggests that the assumption that these movements are unitary has severely limited our understanding of when these disputes degenerate into civil wars.  相似文献   
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