This study focuses on the role of public capital stock in contributing to interstate differences in productive efficiency in manufacturing. Our motivation is to assess the role of public capital as a source of persistent regional variations in efficiency, and thus determine if public infrastructure policies might reasonably be expected to alter the competitive environment of a state's manufacturing sector. We use a stochastic frontier production function model, explicitly incorporating infrastructure capital, to examine the relative performance of the aggregate manufacturing sector across states and over time. We calculate an index of productive efficiency and estimate the determinants of statewide variations in it. These results show that variations in per capita infrastructure stocks significantly affect manufacturing efficiency. Considering the behavior of public capital as both a direct and an indirect input furthers our understanding of the role of infrastructure and its implications for regional economic development policies. 相似文献
Zambia's 2006 election was won by incumbent President Levy Mwanawasaand his Movement for Multi-Party Democracy (MMD). However, itis argued here that the most important outcome of the campaignwas the successful articulation of a new populist politics byMichael Sata's Patriotic Front (PF), which won a significantmajority in urban areas. Sata's attacks on foreign investors(particularly from China) for their abuse of the workforce andtheir supposedly corrupt relationship with the MMD resonatedwith urban Zambians, already angered by the negative impactof economic liberalization. PF's campaign injected popular socialdemands into what had become a moribund political debate. TheMMD government is now adopting PF policies in an attempt torestore its own urban support base. The article describes thecampaign and its outcomes, contrasting the political discourseof the MMD and PF and analysing the differences in voting behaviourbetween rural and urban Zambians. It argues that recent reliefof 92 percent of Zambia's international debt, along with therenewed profitability of the copper mining industry, have createdconditions for the re-emergence of a nationalist-developmentalpolitical framework. 相似文献
Time spent on social media and making online comparisons with others may influence users’ mental health. This study examined links between parental control over the time their child spends on social media, preadolescents’ time spent browsing social media, preadolescents’ appearance comparisons on social media, and preadolescents’ appearance satisfaction, depressive symptoms, and life satisfaction. Preadolescent social media users (N?=?284, 49.1% female; aged 10–12) and one of their parents completed online surveys. Preadolescents, whose parents reported greater control over their child’s time on social media, reported better mental health. This relationship was mediated by preadolescents spending less time browsing and making fewer appearance comparisons on social media. Parental control over time spent on social media may be associated with benefits for mental health among preadolescents. 相似文献
In the recent past, governance reforms in India have resulted in the government and corporate sectors making serious efforts to enhance and showcase their accountability to their principals, namely citizens and shareholders. Similarly, NGOs have been pushed to demonstrate their accountability to multiple stakeholders, namely donors, communities and most importantly, the state. This viewpoint highlights this transition and also reflects on the changing contours of NGO accountability debates in India. 相似文献
There is strong evidence that chronic, systemic inflammation hastens onset of the diseases of old age that ultimately lead to death. Importantly, several studies suggest that childhood adversity predicts chronic inflammation. Unfortunately, this research has been plagued by retrospective reports of childhood adversity, an absence of controls for adult stressors, and a failure to investigate various competing models of the link between childhood adversity and chronic inflammation. The present study was designed to address these limitations. Using 18 years of data collected from 413 African Americans (58% female) included in the Family and Community Health Study, hierarchical regression analyses provided support for a nuanced early life sensitivity explanation for the link between early adversity and adult chronic inflammation. Controlling for health risk behaviors and adult SES, late childhood (ages 10–12) adversity amplified the association between adult adversity (age 29) and chronic inflammation. This interaction operated in a domain-specific fashion. Harsh parenting amplified the relation between intimate partner hostility and inflammation, whereas early discrimination amplified the relation between adult discrimination and inflammation. These findings suggest that individuals may be primed to respond physiologically to adverse adult circumstances that resemble those experienced earlier in life.
The policy movement is unified by a common interest in the improvement of policy decisions through scientific inquiry. The movement is differentiated, however, because this common interest is highly ambiguous and subject to interpretation from different perspectives. This paper applies a policy sciences perspective to the movement's disappointments over the last few decades, and in particular, the failure to realize earlier aspirations for rational, objective analysis on the more important and controversial policy issues. The paper offers a definition and diagnosis of the underlying problem, and suggests what can be done about it as a matter of individual and collective choice. 相似文献