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7 Crime & Just. 1 (1986)
The Demand and Supply of Criminal Opportunities

handle is hein.journals/cjrr7 and id is 11 raw text is: Philip J. Cook
The Demand and Supply
of Criminal Opportunities
ABSTRACT
Criminal opportunity theory provides a framework for examining the
interaction between potential offenders and potential victims. Criminals'
behavior influences the nature and amount of self-protective measures
taken by potential victims, and changes in self-protection make criminal
opportunities more or less attractive. Criminal opportunity theory has
precursors in criminological theory, preeminently in the work of Cloward
and Ohlin, but in these theories opportunities are mediated through social
learning. Criminal opportunity theory employs the economic theory of
markets to describe and predict how criminals and victims interact.
Evidence is available that potential victims take more self-protection
measures when the perceived risk of victimization is greater and that
prospective criminals are likelier to attack relatively more vulnerable
targets. Little research is available on whether increases in self-protection
reduce the total volume of crime or merely displace crime to more
vulnerable targets; the extent of displacement probably differs among
offenses. The market perspective has several benefits to the investigation
of interaction between potential victims and offenders: it assembles
different topics encompassed by criminal opportunity theory into a
coherent whole, it is expressed in a form that facilitates borrowing from
economic theory, and it generates new and important insights for policy
evaluation and criminological theory. One central insight is that law
enforcement strategies may alter the quality of opportunities and thereby
precipitate additional crime. Effective incapacitation or rehabilitation
policies, for example, may reduce the number of offenders in circulation
and thereby reduce the perceived risk of victimization. This may cause
individuals to reduce their self-protection efforts, making them more
attractive targets than before and thereby stimulating increased crime
rates on the part of those criminals who remain active.
Philip J. Cook is Professor of Public Policy Studies and Economics at Duke Univer-
sity.
© 1986 by The University of Chicago. All rights reserved.
O-226-80801-7/860007-0O01 $01.00

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