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排序方式: 共有887条查询结果,搜索用时 15 毫秒
1.
Numerous accounts reveal that congressional leaders often secure “hip‐pocket votes” or “if you need me” pledges from rank‐and‐file legislators. These are essentially options on votes. Leaders exercise sufficient options—pay legislators to convert to favorable votes—when those options will yield victory. Otherwise, they release the options. A model shows that this optimal strategy for leaders produces many small victories, few small losses, and losses that are, on average, larger than victories. We find precisely these patterns, hence strong evidence for vote options, in Congressional Quarterly key votes from 1975 through 2001 and in non‐key votes from the 106th Congress (1999–2000).  相似文献   
2.
DAVID McDOWALL 《犯罪学》2002,40(3):711-736
Attempts to explain temporal patterns in U.S. homicide data usually assume that a linear process accounts for the variation. A nonlinear process is an obvious alternative, however, and reasonable arguments suggest that nonlinearity may in part underlie homicide series dynamics. This paper applies tests for nonlinearity to national time series of homicide rates and counts. The results provide relatively little evidence of nonlinear structure; instead, a linear (random walk) process appears to generate most of the change in the series. Although this supports the unstated assumptions of current theories, it also raises questions about why homicides should follow a linear time path in the first place.  相似文献   
3.
GETTING CARDED     
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4.
The main aim of this paper is to advance knowledge and (especially) theories about developmental and life‐course criminology (DLC). First, I review the widely accepted DLC findings that all DLC theories have been designed to explain. Second, I review more contentious and unresolved empirical DLC issues that might present challenges to DLC theories. Third, I describe my own DLC theory and specify how it addresses key empirical and theoretical questions. Fourth, I summarize five important DLC theories, by Catalano and Hawkins, Sampson and Laub, Moffitt, LeBlanc, and Thornberry and Krohn. Fifth, I identify differences in assumptions and predictions between my theory and the other five theories. Finally, I recommend a detailed comparison of the key features of all DLC theories, of their answers to key empirical and theoretical questions, and of their predictions regarding key unresolved empirical DLC issues.  相似文献   
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6.
Recent failures of government information systems to achieve their objectives have highlighted the risk involved in large-scale information technology projects. This article looks at one example, the computerization of the UK social security system, in the light of recent discussions of large-scale technologies and the particular problem of inflexible technologies as defined by Collingridge. It is argued that large-scale government computing projects can fit the criteria of inflexible technologies, although this is not an inherent feature of information technology. There are always more flexible alternatives available: this is illustrated using examples from both private and public organizations.  相似文献   
7.
Abstract.  This paper provides a defense of the following thesis: When there is reasonable disagreement over the design of morally necessary collective action schemes, it would not be reasonable to reject the authority of a democratic decision procedure to settle these disputes. My first argument is a straightforward application of contractualist reasoning, and mirrors T. M. Scanlon's defense of a principle of fairness for the distribution of benefits produced by a cooperative scheme. My second argument develops and defends the intuition that treating others morally requires respecting their exercise of moral judgment, or a sense of justice. I conclude by addressing the problem of disagreement over the design of the democratic decision procedure itself, and rebutting Jeremy Waldron's claim that democratic authority is incompatible with judicial review.  相似文献   
8.
Abstract.  For a broad range of policy sectors, liberalization was the predominant goal during the 1990s, and the policy change involved gave rise to a wide range of academic debates. In this article we analyze the consequences of these far-reaching policies for the policy process itself. We ask whether the policy changes significantly altered the characteristics of policy processes by considering the timing and extent of the changes in policy networks during those years. More concretely, we discuss the extent to which policy networks changed as a result of market opening, considering the case of the telecommunications policy network in Spain. Using data from two successive surveys, we compare the network structure before and after market opening. Our findings show that only slight changes occurred during this period, making the network denser but not more open. Thus, we suggest that a more successful liberalization probably would have required a network that was more open to new entrants and in which power was less centralized and so able to guarantee a competitive environment.  相似文献   
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10.
MAN OVERBOARD     
DAVID WAGONER 《耶鲁评论》2007,95(2):133-133
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