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Newly available geographical information from the Panel Study of Income Dynamics (PSID) is used to estimate a variety of relationships involving high-poverty metropolitan census tracts. The longitudinal data from the PSID show a great deal of geographical mobility even for persistently poor adults, with as many as one fourth of certain groups of these entering and leaving poor urban census tracts in a year. At the same time, solution of the transition matrices for various groups—whites and blacks of various income classes, in families with and without children, living in different types of census tracts—in the early 1980s shows the gradual emptying out of poor urban tracts, particularly of whites and blacks in families without children. As a consequence, despite the great degree of geographical “churning,” poor urban areas gradually become poorer, blacker, and the home of a larger share of black families with children. Some of these aggregate trends had been noticed by researchers comparing these areas in the 1970 and 1980 censuses; our more up-to-date results demonstrate the relationships between the micro and macro data.  相似文献   
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During the past decade, family violence has been increasingly reported and discussed by the mass media, as well as having become a subject of scholarly investigation in several academic disciplines. While there is an impressive number of empirical studies dealing with various aspects of family violence, they tend to focus on samples of the victims of such physical and sexual abuse. This paper seeks to supplement their findings by presenting a theoretical analysis of certain major sociocultural changes that have seriously weakened the moral standards that are the primary sociocultural deterrents of family and other interpersonal forms of violence. These changes include widespread residential mobility, the weakening of parental authority, and the impact of the themes of violence and sexuality that are emphasized by the mass media and popular culture.  相似文献   
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There are three points made by Orfield et al. that I will address in my comments. The first is the authors' contention that housing policy should be driven by the obligation to integrate. Second, the authors suggest that higher costs of building affordable housing in Minneapolis and Saint Paul is due to the particular characteristics of the ”poverty housing” industry in the two cities. Finally, the authors conduct an analysis of a specific affordable housing development in Minneapolis and purport to show that the project has produced no community level benefits.  相似文献   
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We examine congressional cue‐taking theory to determine its extent, conditionality, and various forms in the US Senate. Using a novel data‐collection technique (timed C‐SPAN footage), we focus on temporal dynamics via event history analysis. Examining the effects of senator characteristics across 16 votes from the 108th Congress, we find that committee leadership and seniority generally predict cue‐giving, while other types of characteristics predict cue‐giving on certain types of votes. Our results underscore the importance of considering the order and timing of voting when studying congressional behavior.  相似文献   
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This article suggests a diagnostic framework of public communication intended to capture new communication strategies used by Armed Forces across Europe to legitimize new tasks and recruit new personnel. Three distinct communicative models that impact differently on democratic values and public support are suggested: an Old Public Administration (OPA) model influenced by bureaucratic values, a New Public Management (NPM) model fuelled by market values and a deliberative model labelled ‘New Public Service’ (NPS) that is largely influenced by proponents of ‘e‐democracy’. A case study of the communication of the Swedish Armed Forces identifies a lingering bureaucratic (OPA) ideal. The market ideal (NPM) however clearly dominates. The article concludes that communication along market purposes, principles and practices risks distancing Armed Forces further from society. Yet, an embryonic deliberative ideal (NPS)—much fuelled by the use of social media such as blogs—was also identified. This growing ideal holds the potential of infusing deliberative vigor into the organization and presumably facilitates the bridging of the gap to society. Copyright © 2014 John Wiley & Sons, Ltd.  相似文献   
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Corporate actors can choose their corporate domicile and haveconsiderable freedom to choose terms in corporate charters.Although contractarian corporate law literature almost alwaysanalyzes the private choice of corporate law through the lensof agency costs, this article considers the choice for its informationalcontent. A particular law may be chosen by an entrepreneur notbecause it reduces agency costs, but because it signals qualityto outside investors. The article considers the choice of aDelaware domicile. Higher expected litigation costs for relativelylow quality firms that accompany a Delaware domicile could implythat choosing Delaware signals a relatively high quality firm.Alternatively, the size and structure of the franchise tax inDelaware could give rise to a signal of quality from locatingthere. The article considers the ambiguous welfare implicationsof the signaling analysis and the debate over mandatory versusenabling rules in corporate law. It also suggests how the signalinganalysis might apply to the debate over the private choice ofa securities regulation domicile.  相似文献   
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