Local corruption and income underreporting

Last registered on June 28, 2019

Pre-Trial

Trial Information

General Information

Title
Local corruption and income underreporting
RCT ID
AEARCTR-0004151
Initial registration date
April 29, 2019

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
April 29, 2019, 10:50 PM EDT

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

Last updated
June 28, 2019, 5:08 AM EDT

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

Locations

Region

Primary Investigator

Affiliation
University of Zurich

Other Primary Investigator(s)

Additional Trial Information

Status
In development
Start date
2019-05-06
End date
2019-08-30
Secondary IDs
Abstract
This is an audit experiment. To avoid contamination, no information is provided at this point. A detailed description is provided in a separate data analysis plan that will be made public upon completion of the audit experiment.
External Link(s)

Registration Citation

Citation
Zünd, Christian. 2019. "Local corruption and income underreporting." AEA RCT Registry. June 28. https://doi.org/10.1257/rct.4151-2.0
Former Citation
Zünd, Christian. 2019. "Local corruption and income underreporting." AEA RCT Registry. June 28. https://www.socialscienceregistry.org/trials/4151/history/48832
Experimental Details

Interventions

Intervention(s)
Intervention Start Date
2019-05-06
Intervention End Date
2019-06-28

Primary Outcomes

Primary Outcomes (end points)
This is an audit experiment. To avoid contamination, no information is provided at this point. A detailed description is provided in a separate data analysis plan that will be made public upon completion of the audit experiment.
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
This is an audit experiment. To avoid contamination, no information is provided at this point. A detailed description is provided in a separate data analysis plan that will be made public upon completion of the audit experiment.
Experimental Design Details
Randomization Method
Corruption instrument
-- Brazil's public audit lottery

Audit experiment
-- randomization using Stata
Randomization Unit
Corruption instrument
-- Unit of randomization: municipalities

Audit experiment
-- Unit of randomization: municipalities
-- Block randomized with respect to state and audit instrument
Was the treatment clustered?
Yes

Experiment Characteristics

Sample size: planned number of clusters
5320 municipalities
Sample size: planned number of observations
20,994 interactions with 6998 offices in 5320 municipalities
Sample size (or number of clusters) by treatment arms
Treatment
-- 7,560 interactions with 2,520 offices in 1,867 municipalities

Control
-- 13,434 interactions with 4,478 offices in 3,453 municipalities
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB

Institutional Review Boards (IRBs)

IRB Name
Human Subjects Committee of the Faculty of Economics, Business Administration and Information Technology at the University of Zurich
IRB Approval Date
2019-04-02
IRB Approval Number
OEC IRB # 2019-010
Analysis Plan

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

Request Information

Post-Trial

Post Trial Information

Study Withdrawal

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

Request Information

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