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We evaluate the cost‐effectiveness of two early childhood interventions that use instructional coaching and parent coaching as levers for improvement. The study design allows us to compare the individual effects of each intervention as well as their combined effect on student outcomes. We find that teachers receiving instructional coaching improve their use of evidence‐based instructional practices, while families receiving parent coaching show increases in numerous responsive parenting behaviors associated with positive child outcomes. Both interventions demonstrate positive impacts on students, but only parent coaching shows statistically significant effects across a range of student outcomes. Instructional coaching alone is substantially less costly and may therefore be the most cost‐effective of the three treatment conditions; however, small sample sizes limit our ability to reach definitive conclusions. Policy simulations suggest that implementing these interventions could raise the overall cost‐effectiveness of Head Start by at least 16 percent.  相似文献   
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Using detailed data on biotechnology in Japan, we find that identifiable collaborations between particular university star scientists and firms have a large positive impact on firms' research productivity, increasing the average firm's biotech patents by 34 percent, products in development by 27 percent, and products on the market by 8 percent as of 1989–1990. However, there is little evidence of geographically localized knowledge spillovers. In early industry formation, star scientists holding tacit knowledge required to practice recombinant DNA (genetic engineering) were of great economic value, leading to incentives motivating their participation in technology transfer. In Japan, the legal and institutional context implies that firm scientists work in the stars' university laboratories in contrast to America where the stars are more likely to work in the firm's labs. As a result, star collaborations in Japan are less localized around their research universities so that the universities' local economic development impact is lessened. Stars' scientific productivity is increased less during collaborations with firms in Japan as compared to the U.S.  相似文献   
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The advent of the information age has created new challenges to the ability of individuals to protect the privacy and security of their personal information. One such challenge is that of identity theft, which has imposed countless hardships upon its victims. Perpetrators of this fraud use the identities of others to steal money, obtain loans, and generally violate the law. The Identity Theft and Assumption Deterrence Act of 1998 makes the theft of personal information with the intent to commit an unlawful act a federal crime in the United States with penalties of up to 15 years imprisonment and a maximum fine of $250,000. The Act designates the Federal Trade Commission to serve as an advocate for victims of identity fraud. This article first examines the problem of identity fraud and the inadequacy of existing remedies, and then assesses the need for and likely impact of the Act, as well as issues relating to the effectiveness of its future enforcement.  相似文献   
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The relationship between the dissociative and somatic symptoms in a clinical sample of 216 women and 35 men survivors of childhood sexual abuse (CSA) was examined. Symptom patterns were measured by the Dissociative Experiences Scale, the Somatization Scale of the Symptom Checklist 90-Revised (SCL-90-R), and the Hypochondriasis, Hysteria, Health Concerns, and Harris–Lingoes Somatic Complaints Scales of the Minnesota Multiphasic Personality Inventory-2. Somatization and dissociation were related, but not at a great enough magnitude to suggest that somatic symptoms as a generic category are an integral component of dissociation. With the exception of one of the measures of somatization, the SCL-90-R somatization scale, no significant differences were found between men and women CSA survivors in symptom levels. However, the relationship between somatization and dissociation was stronger in women than in men. The findings of this study should be considered preliminary and interpreted with considerable caution, since the scales used probably are of limited validity.  相似文献   
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In spite of the bombardment of southern Israel by thousands of Qassam rockets fired from the Gaza Strip, comparatively few people have been injured or killed. This has led some observers to dismiss Qassams as more of a symbolic than lethal threat. However, southern Israeli towns feature robust civil defense systems that include safe rooms, bomb shelters, early detection alarms, and missile defense. How many casualties would occur were such systems not in place? This article applies shrapnel-casualty and spatial allocation models to the population of the southern Israeli town of Sderot to estimate casualties per randomly aimed rocket fired into the unprepared town; that is, in the absence of civil defense (technical details appear in the Appendix). Assuming an injury radius of only 5 meters from impact, the modeled expected casualties per rocket are between three (best-case) and nine (worst-case) times higher than Sderot's observed casualties-to-rocket ratio, suggesting that Qassam-like terror attacks on unprotected urban locations could prove much more serious than what one would expect based solely on the observed number of casualties in Sderot.  相似文献   
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What is the relationship between political institutions and air pollution generated by the power sector? Here we focus on the association between democracy and power generated from coal, the most polluting of all fossil fuels. Using a new dataset on coal‐fired power plants commissioned between 1980 and 2016 in 71 countries, we find that the relationship between democracy and coal varies according to the environmental Kuznets curve logic. Democratic political institutions at lower levels of economic development are correlated with increased commissioning of coal power plants, as governments seek to appeal to an electorate prioritizing economic growth and affordable energy access. As a country becomes richer, democracy comes to have a negative association with coal power, as clean air becomes a more salient issue for the public.  相似文献   
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Social Justice Research - Scholars warn that neoliberalism erodes investment in the well-being of others by prizing the self-interested individual. To empirically investigate this claim, we...  相似文献   
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