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Field
Experimental Design (Public)
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Before
Our main analysis will be based on the RCT, which involves assigning half of the postal sectors in high-risk areas to treatment and half to control. We will use the RCT design to identify the intent-to-treat effect of the ad campaign on contemporary calls for service and calls for service by type. We will also use the RCT design to measure the ITT of the ad campaign on recidivism. Depending on the strength of the first stage, we may also use an IV strategy to estimate how calls for service during quarantine affect recidivism. Finally, we will use a before-after approach to estimate the extent to which the quarantine affected DA. This analysis will compare the number of calls before quarantine to the number of calls after.
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After
Our main analysis will be based on the RCT, which involves assigning half of the postal sectors in high-risk areas to treatment and half to control. We will use a conditional RCT design to identify the intent-to-treat effect of the ad campaign on contemporary calls for service and calls for service by type. We will also use a conditional RCT design to measure the ITT of the ad campaign on recidivism. Depending on the strength of the first stage, we may also use an IV strategy to estimate how calls for service during quarantine affect recidivism.
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