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1 Introduction
Pages 13-32

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From page 13...
... . The 2012 prison and jail incarceration rates and the incarcerated population are reported in Glaze and Herberman (2013, Table 2)
From page 14...
... A number of research literatures explore the sources of rising incarceration rates in policy and social change; the relationship between crime and incarceration; and the effects of incarceration on the employment, health, and family life of the formerly incarcerated and more broadly on U.S. civic life.
From page 15...
... The size of the prison population depends not only on the number of crimes, arrests, convictions, and prison commitments but also on the use of alternatives to incarceration and on responses to violations of the terms of parole or probation. Although other forms of incarceration outside of the adult criminal justice system are undeniably important, they have been less important to the steep rise in incarceration over the past four decades that forms our main charge.
From page 16...
... At the state level and in the federal government, many elected officials are supporting initiatives aimed at reducing prison populations and are turning to the research evidence for guidance. In this context, the committee hopes to inform a critical conversation about the significance of high incarceration rates for U.S.
From page 17...
... 3. Explore the public policy implications of the analysis of causes and consequences, including evidence for the effectiveness and costs of alternative policies affecting incarceration rates.
From page 18...
... In reviewing the evidence, the committee paid attention to the effects of changes in state and federal policy and practice over the period of the rise in incarceration rates, including the relationship of policy changes to crime rates. We noted that in many instances, these policy choices reflected and resulted from broader political and social currents, including, for a variety of reasons, a marked tendency to resort to imprisonment, and harsh punishments generally, as society's preferred response to crime, even when crime rates were falling.
From page 19...
... The magnitude of incarceration also might be measured by scaling prison admissions by crimes or arrests rather than by population. Such measures reflect the impact of prosecution and sentencing policies on the overall punitiveness of the criminal justice system.
From page 20...
... To understand the effects of the rise in incarceration, one must examine how prison environments have changed as the numbers of prisoners have increased and how this changed environment may lead to different outcomes for the individuals incarcerated. Whereas the jurisprudence of incarceration emphasizes the purposes of retribution, deterrence, incapacitation, and rehabilitation, criminal punishment also provides a vivid moral symbol, publicly condemning criminal conduct.
From page 21...
... By this instrumental view, imprisonment can be used, for example, to contain and discourage crime -- directly by confining those prone to commit further crimes or by deterring them or, by example, others from committing future crimes. Assessments of the effectiveness of policies favoring incarceration would therefore depend on an empirical understanding of its purported benefit of crime prevention or other social benefits, weighed against the direct costs of the prisons themselves and the indirect social costs incurred by removing incarcerated individuals from society.
From page 22...
... High incarceration rates may signal that in many instances, prison is being used when alternatives would achieve equal or better outcomes for society. Because incarceration encompasses a range of experiences that vary widely across individuals and from one era or place to another, its effects are difficult to assess.
From page 23...
... Based on this review, the committee articulated a set of guiding normative principles that, if observed, would restore balance to the discussion of criminal justice values. The following four normative principles helped the committee interpret the scientific evidence and guided the committee in carrying out its charge to recommend new policy alternatives: 1.
From page 24...
... These direct influences on the numbers incarcerated, however, have a social and historical context, including public concerns about crime and disorder, political incentives to respond to or exploit those concerns, and a complex history and evolution of racial and ethnic group relationships and politics. Understanding the deeper sources of the rise in incarceration rates calls for other kinds of evidence and analysis than those applied in exploring proximate causes, along with a more subjective set of judgments about how to interpret that evidence.
From page 25...
... Following initial support for "Great Society" programs designed to tackle poverty, both an increase in violent crime starting in the 1960s and periodic civil disorder contributed to public fears of crime and support for tougher sanctions. These fears and their political uses contributed in turn to a series of changes in criminal laws and prescribed punishments; changes in law enforcement and criminal justice procedures; and other changes affecting the frequency and severity of punishments, including incarceration.
From page 26...
... One of these is the need to separate effects leading to or arising from the growth of incarceration in the United States from other, more or less contemporaneous social changes, such as changes in crime rates or labor market conditions. For example, if homicide rates fell in the United States after 1980, is it methodologically feasible to determine whether any part of that decline can be attributed to increased incarceration, taking into account all the simultaneous changes in other aspects of the society and the environment that have been shown to influence homicide?
From page 27...
... . Some may compare the decline in crime rates after 1980 and again in the 1990s with the increase in incarceration rates and infer that incarceration greatly reduces crime.
From page 28...
... The experience of incarceration varies from prison to prison, from state to state, and between the state and federal systems. It is also likely that the prison experience has changed over time, in particular over the period when incarceration rates rose and prison administrators were struggling to stay abreast of the rapid expansion of their systems.
From page 29...
... In this period of evolving public opinion and policy and rapid expansion of the role of incarceration in U.S. society, there may be more reason than usual to regard all findings on the rise in the incarceration rate, including those of this study, as provisional and a new starting point for further research.
From page 30...
... There are no complete data series on the ethnicity and education of prison inmates, for example, so we frequently rely on estimates throughout this report. Longitudinal data following people in and out of prison and other contexts, such as schooling, work, and family, would have greatly improved our understanding of the effects of incarceration.
From page 31...
... Members of this committee share the view that the inherent severity of incarceration as a punishment -- including the harm it often does to prisoners, their families, and communities -- argues for limiting its use to cases where alternatives are less effective in achieving the same social ends. The evidence reviewed in this report reveals that the costs of today's unprecedented rate of incarceration, particularly the long prison sentences imposed under recent sentencing laws, outweigh the observable benefits.
From page 32...
... Chapters 3 and 4 explore evidence regarding the complex set of factors contributing directly and indirectly to the high rate of incarceration in the United States. Chapters 5 through 11 examine evidence regarding the impacts of the rise in incarceration on crime (Chapter 5)


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