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Studies of crime at micro places have generally relied on cross‐sectional data and reported the distributions of crime statistics over short periods of time. In this paper we use official crime data to examine the distribution of crime at street segments in Seattle, Washington, over a 14‐year period. We go beyond prior research in two ways. First, we view crime trends at places over a much longer period than other studies that have examined micro places. Second, we use group‐based trajectory analysis to uncover distinctive developmental trends in our data. Our findings support the view that micro places generally have stable concentrations of crime events over time. However, we also find that a relatively small proportion of places belong to groups with steeply rising or declining crime trajectories and that these places are primarily responsible for overall city trends in crime. These findings are particularly important given the more general decline in crime rates observed in Seattle and many other American cities in the 1990s. Our study suggests that the crime drop can be understood not as a general process that occurred across the city landscape but one that was generated in a relatively small group of micro places with strong declining crime trajectories over time.  相似文献   
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POETRY IN REVIEW     
CYNTHIA ZARIN 《耶鲁评论》2011,99(2):190-203
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This article analyses migration histories of residents in rural settlements of the Brazilian Amazon that resulted from direct action land reform (DALR), which involves organised land occupations. Our analysis evaluates two hypotheses. The ‘urban migration’ expectation asserts that urban experience is important for DALR participation, which links rural and urban areas via migration for land occupations. The ‘DALR efficacy’ hypothesis argues that migration and DALR are complementary livelihood strategies, such that participation in DALR obviates the need for further migration. Our findings support both hypotheses and bear implications for regional development and environmental change in the Amazon.  相似文献   
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Budgetary incrementalism argues that three institutional actors—agencies, executive budget offices, and legislative committees—dominate budget outcomes. The complexity and interdependency of public programs expands this expectation to include the influence of exogenous budget factors. Findings from a survey of state agency heads reveal that budget environments do influence state agency budget outcomes. However, the institutional budgetary participants, especially governors and legislatures, envisioned in classical incrementalism retain their principal and primary influence on state agency budgets. A significant departure from classical incrementalism is that agencies are not as influential as previously depicted.  相似文献   
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This article addresses a long‐standing question in public budgeting: What factors influence bureau/agency budget request decisions? Empirical results confirm the complexity of variables that explain different levels of budget requests by over 1,000 state administrative agencies. The expected significant influence of administrator (agency head) aspirations was clearly present. But other important sources enter into the decision of agencies to satisfy rather than maximize. These include the strategic roles, activities, and priorities of governors, legislatures, and interest groups. These political principals' influence operates to constrain, discipline, or even augment agency budget requests.  相似文献   
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Procurement is an essential business function of government. Despite the importance of effective procurement practices to government efficiency, very little is known about what local governments do in practice, and how procurement practices affect government spending. This paper reports the results of a survey on procurement practices used by New York State school districts. To examine the potential costs savings from adoption of particular procurement practices, the authors estimate cost models for materials, supplies, and equipment spending. Results from the cost model indicate that the use of competitive bidding, purchasing calendars, central warehouses, and bidders lists are associated with significant cost savings.  相似文献   
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