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19 Fed. Sent. R. 275 (2006-2007)
Evidence-Based Public Policy Options to Reduce Future Prison Construction, Criminal Justice Costs, and Crime Rates

handle is hein.journals/fedsen19 and id is 283 raw text is: Evidence-Based Public Policy Options
to Reduce Future Prison Construction, Criminal Justice
Costs, and Crime Ratest

Current long-term forecasts indicate that Washington will
need two new prisons by 202o and possibly another
prison by 2030. Since a typical new prison costs about
$250 million to build and $45 million a year to operate,
the Washington State Legislature expressed an interest in
identifying alternative evidence-based options that can:
(a) reduce the future need for prison beds, (b) save money
for state and local taxpayers, and (c) contribute to lower
crime rates.
The 2005 Legislature directed the Washington State
Institute for Public Policy (Institute) to report, by October
20o6, whether evidencebased and cost-beneficial policy
options exist.
If economically sound options are available, then the
Legislature directed the Institute to project the total
impact of alternative implementation scenarios.'
This report describes our results to date. We begin by
providing background information on historic and pro-
jected incarceration rates in Washington, as well as a
history of crime rates and fiscal costs of the criminal justice
system. We then describe the process we use to determine
if evidence-based and economically sound options exist,
and we present our findings. We examine adult correc-
tions, juvenile corrections, and prevention programs. This
is followed by our projections of the impact of alternative
implementation scenarios. We conclude by discussing
some implications of the findings and next steps. For tech-
nical readers, appendices begin on page 59 and describe
our research methods and results in greater detail.
Legislative Direction for the Study
The legislative language directing the Institute's study is
shown verbatim in the accompanying sidebar. In brief, the
legislation requires the Institute to study the net short-run
and long-run fiscal savings to state and local governments
if evidence-based intervention, prevention, and sentencing
alternatives are implemented in Washington State.
The Institute is directed to examine three broad types
of public policy options the legislature could consider.
i. Intervention programs. For people already in Washing-
ton's juvenile and adult correctional systems, the
language directs the Institute to estimate whether

Summary
Under current long-term forecasts, Washington
State faces the need to construct several new pris-
ons in the next two decades. Since new prisons are
costly, the 2005 Washington Legislature directed
the Washington State Institute for Public Policy to
project whether there are evidence-based options
that can:
reduce the future need for prison beds,
* save money for state and local taxpayers,
* contribute to lower crime rates.
We conducted a systematic review of all research evi-
dence we could locate to identify what works, if
anything, to reduce crime. We found and analyzed 571
rigorous comparisongroup evaluations of adult correc-
tions, juvenile corrections, and prevention programs,
most of which were conducted in the United States.
We then estimated the benefits and costs of many of
these evidence-based options. Finally, we projected
the degree to which alternative portfolios of these
programs could affect future prison construction
needs, criminal justice costs, and crime rates in
Washington.
We find that some evidence-based programs can
reduce crime, but others cannot. Per dollar of spend-
ing, several of the successful programs produce
favorable returns on investment. Public policies incor-
porating these options can yield positive outcomes for
Washington.
We project the long-run effects of three example
portfolios of evidence-based options: a current level
option as well as moderate and aggressive imple-
mentation portfolios.
We find that if Washington successfully imple-
ments a moderate-to-aggressive portfolio of
evidence-based options, a significant level of future
prison construction can be avoided, taxpayers can save
about two billion dollars, and crime rates can be
reduced.

Federal Sentencing Reporter, Vol. 19, No. 4, PP. 275-290, ISSN 1053-9867 electronic ISSN 1533-8363.
© 2oo6 Steve Aos, Mama Miller, and Elizabeth Drake.
Evidence-Based Public Policy Options to Reduce Future Prison Construction, Criminal Justice Costs,
and Crime Rates. Olympia: Washington State Institute for Public Policy.
FEDERAL SENTENCING REPORTER               * VOL. 19, NO. 4       * APRIL 2007

a
WASHINGTON
STATE
INSTITUTE
FOR PUBLIC
POLICY
STEVE AOS
MARNA
MILLER
ELIZABETH
DRAKE
October 2006

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