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JOHN R. HIPP 《犯罪学》2010,48(3):683-723
Previous research frequently has observed a positive cross-sectional relationship between racial/ethnic minorities and crime and generally has posited that this relationship is entirely because of the effect of minorities on neighborhood crime rates. This study posits that at least some of this relationship might be a result of the opposite effect—neighborhood crime increases the number of racial/ethnic minorities. This study employs a unique sample (the American Housing Survey neighborhood sample) focusing on housing units nested in microneighborhoods across three waves from 1985 to 1993. This format allows one to test and find that such racial/ethnic transformation occurs because of the following effects: First, White households that perceive more crime in the neighborhood or that live in microneighborhoods with more commonly perceived crime are more likely to move out of such neighborhoods. Second, Whites are significantly less likely to move into a housing unit in a microneighborhood with more commonly perceived crime. And third, African American and Latino households are more likely to move into such units. 相似文献
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JEREMY STAFF D. WAYNE OSGOOD JOHN E. SCHULENBERG JERALD G. BACHMAN EMILY E. MESSERSMITH 《犯罪学》2010,48(4):1101-1131
Most criminological theories predict an inverse relationship between employment and crime, but teenagers' involvement in paid work during the school year is correlated positively with delinquency and substance use. Whether the work–delinquency association is causal or spurious has been debated for a long time. This study estimates the effect of paid work on juvenile delinquency using longitudinal data from the national Monitoring the Future project. We address issues of spuriousness by using a two-level hierarchical model to estimate the relationships of within-individual changes in juvenile delinquency and substance use to those in paid work and other explanatory variables. We also disentangle the effects of actual employment from the preferences for employment to provide insight about the likely role of time-varying selection factors tied to employment, delinquency, school engagement, and leisure activities. Whereas causal effects of employment would produce differences based on whether and how many hours respondents worked, we found significantly higher rates of crime and substance use among nonemployed youth who preferred intensive versus moderate work. Our findings suggest the relationship between high-intensity work and delinquency results from preexisting factors that lead youth to desire varying levels of employment. 相似文献
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JOHN ROSS 《今日中国(英文版)》2013,(7):48-49
THE international financial crisis brought about a radical change in the structure of international industrial competition.That China is winning the new industrial race is the only conclusion that can be drawn from the pattern of industrial expansion and contraction in the major industrial centers over the five years since the beginning of the 2008 international financial crisis. China’s position among industrial centers isn’t inherently obvious from a glance at yearly data.To fully gauge changes in the industrial competition landscape,it’s best to look longerterm.Below,the first chart shows changes in 相似文献
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Conceptualizing and measuring choice is problematic both in theory and in practice. Measuring by counting the alternatives seems counter-intuitive as a smaller set of better or more diverse alternatives seems to provide more choice than one that is simply larger. However, concentrating upon better alternatives leads to choice being defined by welfare or utility which is also counter-intuitive. The implications of this paradox are considered in relation to examples drawn from the choice agenda in British social policy. Empirical difficulties in measuring the welfare gains through implementing greater choice at a time of other central-led policy initiatives such as targets are discussed, and the extant evidence discussed. Criteria for judging whether or not choice has been welfare-enhancing are suggested. It is argued that 'soft choice' where service providers provide information and explain different options is preferable to 'hard' choice of simplistic targets to increase choice by ticking target boxes. 相似文献