NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Publications by Brendan O'Flaherty

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Working Papers and Chapters

July 2010Peaceable Kingdoms and War Zones: Preemption, Ballistics and Murder in Newark
with Rajiv Sethi
in The Economics of Crime: Lessons for and from Latin America, Rafael Di Tella, Sebastian Edwards, and Ernesto Schargrodsky, editors
March 2009Needle Sharing and HIV Transmission: A Model with Markets and Purposive Behavior
with Ajay Mahal, David E. Bloom: w14823
Without well designed empirical studies, mathematical models are an important way to use data on needle infection for inferences about human infection. We develop a model with explicit behavioral foundations to explore an array of policy interventions related to HIV transmission among IDU. In our model, needle exchanges affect the spread of HIV in three ways: more HIV-negative IDUs use new needles instead of old ones; needles are retired after fewer uses; and the proportion of HIV-positive IDUs among users of both old and new needles rises owing to sorting effects. The first and second effects reduce the long-run incidence of HIV, while the third effect works in the opposite direction. We compare the results of our model with those of Kaplan and O'Keefe (1993) that is the foundation of man...

Contact and additional information for this authorAll papers and publicationsWorking Papers onlyWorking Papers with publication info

 
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