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Although it is generally recognized in the social sciences that the “situation” is indispensable for understanding behavior, thus far criminologists have not devoted systematic attention to situational analysis. This paper contributes to the development of a situational perspective on crime by defining the concept of situation, developing four hypotheses about the situational characteristics of selected personal contact crimes, and then testing those hypotheses using victimization survey data from the United States and Venezuela. The research shows that coercive crimes are less situationally clustered than noncoercive crimes and that instrumental crimes are more situationally clustered than character crimes. Despite tremendous differences in crime rates for the two countries, substantial similarity is found in situational crime patterns. The implications of the research for criminological theory are discussed.  相似文献   
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The consequences of revenue shortfalls for cities are particularly dramatic due to the balanced‐budget requirement. Revenue diversification is one method of stabilizing revenue streams because diversified revenue structures can mitigate the revenue fluctuations often associated with single source revenue. Using audited financial reports, this study examines the impact of revenue diversification in Arkansas cities over 10 years. To address the issue of revenue adequacy, this study examines diversification's impact on current year budget changes in revenue and expenditures as well as its impact on tax effort.  相似文献   
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This study assesses self‐control theory's stability postulate. We advance research on self‐control stability in three ways. First, we extend the study of stability beyond high school, estimating GBTMs of self‐control from ages 10 to 25. Second, drawing on advances in developmental psychology and social neuroscience, especially the dual systems model of risk taking, we investigate whether two distinct personality traits—impulsivity and sensation seeking—often conflated in measures of self‐control, exhibit divergent developmental patterns. Finding that they do, we estimate multitrajectory models to identify latent classes of co‐occurring developmental patterns. We supplement GBTM stability analyses with hierarchical linear models and reliable variance estimates. Lastly, using fixed effects models, we explore whether the observed within‐individual changes are associated with changes in crime net of overall age trends. These ideas are tested using five waves of data from the Family and Community Health Study. Results suggest that self‐control is unstable, that distinct patterns of development exist for impulsivity and sensation seeking, and that these changes are uniquely consequential for crime. We conclude by comparing our findings with extant research and discussing the implications for self‐control theory.  相似文献   
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In July 2011 following the revelations about phone hacking, all three political party leaders called for radical reform of the current system of press self‐regulation. Those within the press itself, including the Daily Mail, also conceded that serious changes were necessary. At the same time both politicians and press stressed the importance of protecting the freedom of the press and preventing undue government interference. Starting with both these pre‐requisites in mind—the creation of a new independent system and the protection of press freedom—this essay suggests four possible models of reform. For each model the essay sketches the basic parameters of reform and then suggests three problems associated with each. It argues against those who claim that anything more than small changes to the status quo would be too costly, would threaten press freedom, or would be technologically impractical.  相似文献   
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