Organised crime and institutions

Last registered on June 02, 2023
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Pre-Trial

Trial Information

General Information

Title
Organised crime and institutions
RCT ID
AEARCTR-0009733
Initial registration date
July 13, 2022

Initial registration date is when the trial was registered.

It corresponds to when the registration was submitted to the Registry to be reviewed for publication.

First published
July 21, 2022, 12:37 PM EDT

First published corresponds to when the trial was first made public on the Registry after being reviewed.

Last updated
June 02, 2023, 4:14 AM EDT

Last updated is the most recent time when changes to the trial's registration were published.

Locations

Country
Italy
Region

Primary Investigator

Name
Andrea Martinangeli
Affiliation
Burgundy School of Business
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Other Primary Investigator(s)

PI Name
Paolo Pinotti
PI Affiliation
Università Bocconi
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PI Name
Gianmarco Daniele
PI Affiliation
Università di Milano
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PI Name
Gian Maria Campedelli
PI Affiliation
Università di Trento
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Additional Trial Information

Status
Completed
Start date
2022-07-14
End date
2022-08-31
Keywords
Behavior, Crime, Violence, & Conflict
Additional Keywords
Organised crime, institutional trust, legitimacy
JEL code(s)
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
We investigate the impact of exposure to organised crime on state legitimacy and institutional trust.
External Link(s)

Registration Citation

Citation
Campedelli, Gian Maria et al. 2023. "Organised crime and institutions." AEA RCT Registry. June 02. https://doi.org/10.1257/rct.9733-1.1
Sponsors & Partners
Experimental Details

Interventions

Intervention(s)
We randomise media-like exposure to organised or generic crime in a survey experiment.
Intervention (Hidden)
We randomise media-like exposure to organised or generic crime. Half of the sample receives an update on the incidence of organised or general crime.
Intervention Start Date
2022-07-14
Intervention End Date
2022-08-31

Primary Outcomes

Primary Outcomes (end points)
Proportion of windfall money donate to a governmental (civil protection) or non-governmental (red cross) organisations.
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Stated degree of trust in institutions at various levels and stated attitudes towards institutional intervention and policy preferences.
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
We randomise media-like exposure to organised or generic crime in a survey experiment.
Experimental Design Details
Randomization Method
Computerised
Randomization Unit
Individual
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
6000 individuals
Sample size: planned number of observations
6000 individuals
Sample size (or number of clusters) by treatment arms
1000 individuals
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
We detect a minimum branch-wise difference of d=0.12 over standardised outcomes at power p=0.8 and alpha a=0.05.
Supporting Documents and Materials

There is information in this trial unavailable to the public. Use the button below to request access.

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IRB

Institutional Review Boards (IRBs)

IRB Name
Comité éthique de la recherche
IRB Approval Date
2022-02-10
IRB Approval Number
CERBSB2022-10
Analysis Plan

Analysis Plan Documents

Pre-analysis plan

MD5: 4e715334baff20d048c12a3cf915af32

SHA1: d6d1e11474cea1b493420a9d1bbac3719b35ba13

Uploaded At: July 12, 2022

Post-Trial

Post Trial Information

Study Withdrawal

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Intervention

Is the intervention completed?
No
Data Collection Complete
Data Publication

Data Publication

Is public data available?
No

Program Files

Program Files
Reports, Papers & Other Materials

Relevant Paper(s)

Reports & Other Materials