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301.
Corrupt contracts are illegal and, therefore, vulnerable to hold-up. That is, a bureaucrat who has accepted a bribe from a firm in exchange for a license may still choose not to grant the firm that license (hold-up). This paper develops a model to study the role that intermediaries play in preventing hold-up. There are two types of firms, good firms that are legally entitled to receive a license, and harmful firms that are not. Without intermediaries only good firms enter the market, and harmful firms do not enter because of hold-up. Intermediaries are legally permitted to help firms reduce their navigation costs of obtaining licenses. Thus, intermediaries increase entry of good firms. However, by utilizing the legal aspects of their transaction with good firms as leverage against the bureaucrat, intermediaries can prevent hold-up among harmful firms. Thus, intermediaries increase participation by both good and harmful firms and their welfare costs are ambiguous. Data obtained from occurrences of violations of the Foreign Corrupt Practices Act are broadly consistent with our model.  相似文献   
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Objectives

This study examines the effectiveness of foot patrol in violent micro-places. A large urban police department deployed foot patrol in micro-places (hot spots) for a period of 90 days for two shifts each day. Our objective is to determine whether this activity impacted violent crime in these hot spots and whether spatial displacement of crime occurred.

Methods

Eight eligible foot beat locations were set by examining crime rates for previous years in order to identify micro-places of high criminal activity. We employed a quasi-experimental design comparing the four treatment to the four control areas, estimating panel-specific autoregressive models for 30 weeks prior to and 40 weeks after the treatment.

Results

Time series models revealed statistically significant reductions in violent crime in the micro-places receiving foot patrol treatment, while no such reductions were observed in the control areas. The deterrent effect, however, was short and dissipated quickly. Control areas did not experience any crime prevention benefit during this time period. No evidence of crime displacement to spatially contiguous areas was detected.

Conclusions

This contributes to the growing body of knowledge that focused police strategies within hot spots impact violent crime. Specifically, the implementation of foot patrol in high crime hot spots led to measurable reductions in aggravated assaults and robberies, without displacing crime to contiguous areas.
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It has been claimed that transport policy in the UK, once a quiescent area, has been opened to battle between competing advocacy coalitions and that the late 1980s and early 1990s saw a policy paradigm shift. This article examines one detailed historical case study, the plans to complete an inner road in Norwich and the subsequent collapse of the scheme. The aim is firstly to examine the complex decision making processes and subsequent politics of this scheme and secondly to relate the local issue to the idea of a paradigm shift in national roads policy. The complexity of decision making in a multi-actored arena, where sovereignty is located locally but is circumscribed by central government 'guidelines', suggests that the assertions of those who argue in terms of a paradigm shift in policy may be exaggerated.  相似文献   
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This study investigated the association between family violence and the attributions made for negative partner behaviors in an Australian context. Three groups of men were classified as physically violent (in counseling), non-physically violent (in counseling), and non-physically violent (in the community). The Relationship Attribution Measure was used to assess the attributional dependent variables of locus, stability, globality, intent, motivation, and blame. Significant differences between violent and nonviolent men on each of the attributional dimensions were found. Physically violent men were more likely than non-physically violent men (counseling) to attribute the negative behavior of their partners to unchangeable, intentional rather than unintentional, selfishly motivated, and blameworthy causes. However, these differences disappeared when marital satisfaction was controlled. The implications of this work for domestic violence intervention programs are discussed, along with a number of methodological issues and directions for future research.  相似文献   
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The Boxers     
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