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Volunteer labor is generally analyzed as a homogeneous activity, implying that the marginal effects of tax changes and demographic shifts are equal across industries and forms of volunteering. Here the homogeneity assumption is tested by estimating and comparing volunteer labor supply functions in three sectors that rely on volunteer labor—health, education, and religious organizations. Differences in the marginal volunteer labor supply effects are associated with personal demographics, household composition, and tax status. These differences are significant statistically as well as for their policy implications. The effects on volunteering to each sector are predicted for changes in the age, education, and marital status distributions of the population, as well as for changes in income tax rates, itemization status, and income. © 2002 by the Association for Public Policy Analysis and Management.  相似文献   
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This study seeks to expand on the previously reported validity of the Static-99, RRASOR, MnSOST-R, and SORAG in predicting sexual recidivism utilizing a regional sample of offenders. The predictive validity of each test was determined utilizing subgroups of the sample based on each offender's known offense history. The effectiveness of each instrument varied depending on offender type. The Static-99 and SORAG were both significantly predictive of sexual, violent, and any recidivism for extra-familial child molesters, and all four tests were predictive of violent or any recidivism in this subgroup. For incest offenders, all four tests were at least moderately predictive of sexual recidivism, whereas the Static-99 and the SORAG were highly predictive of violent or any recidivism. None of the four tests established consistent predictive validity across recidivism categories in regard to rapists or hands-off offenders, however, the Static-99 and the SORAG were significant in terms of sexual recidivism.  相似文献   
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Lewis  Gregory B. 《Publius》1984,14(2):31-39
This article examines changes in the revenue and expenditurepatterns of twelve major cities (six fiscally healthy; six fiscallydistressed) from fiscal years 1964 to 1979. The purpose of theexaminatin is to determine whether resource scarcity resultsin significantly different expenditure patterns, especiallyfor essential services (police, fire sanitation, and sewerage),social services (welfare, health, hospitals, and public housing),capital spending, and personal sevices (salaries). The resultsshow that changes inrevenue patterns are not significantly relatedto changes in expenditrue patterns, with the exception of capitalspending. The results support the theory that cutback budgetarystrategies are not significanely different from expansionarybudgetary strategies. Incrementalism (decrementalism) prevails.  相似文献   
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The effectiveness of crime deterrence projects such as increased street lighting in ghetto environments has been questioned. The present study not only examines whether increased street lighting in fact reduces crime, but also investigates the attitudes towards local government of citizens who live within that particular environment. The findings illustrate that it would be advisable for governments to address citizen attitudes before undertaking certain crime prevention projects.  相似文献   
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Abstract This article presents the development of a new assessment instrument for use with juvenile delinquents: The Juvenile Justice Assessment Instrument (JJAI). The term “juvenile delinquency” covers a multitude of antisocial behaviors engaged in by adolescents. Research indicates that certain intrinsic vulnerabilities may combine with environmental stressors to engender maladaptive behaviors. Unfortunately, these potentially treatable vulnerabilities often remain unrecognized in the delinquent population. Because of the sheer numbers of children entering the juvenile justice system each year, it is impossible to ensure that each child will receive a full evaluation from a trained clinician. The JJAI offers those who work with juvenile delinquents an economical, yet sophisticated, assessment tool for evaluating youngsters and recommending appropriate treatment and disposition. This paper also presents the results of two field trials with the JJAI. In a juvenile justice setting, data elicited by the JJAI was compared to data gathered by the court. In a residential treatment setting, data elicited by the JJAI was compared with information gathered by staff at the treatment facility. A discussion of the obstacles faced by those who interview delinquents, and strategies within the JJAI to overcome them, are discussed.  相似文献   
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