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Covid-19, trust and solidarity in the EU
Last registered on July 17, 2020

Pre-Trial

Trial Information
General Information
Title
Covid-19, trust and solidarity in the EU
RCT ID
AEARCTR-0006164
Initial registration date
July 17, 2020
Last updated
July 17, 2020 9:43 AM EDT
Location(s)
Region
Region
Region
Region
Region
Region
Region
Region
Region
Region
Region
Primary Investigator
Affiliation
Max Planck Institute for Tax Law and Public Finance
Other Primary Investigator(s)
PI Affiliation
Universitat Pompeu Fabra Barcelona
PI Affiliation
Universidad Carlos III de Madrid
PI Affiliation
ifo Institute Munich
PI Affiliation
European Bank for Reconstruction and Development and King's College London
Additional Trial Information
Status
In development
Start date
2020-07-17
End date
2020-08-31
Secondary IDs
Abstract
This paper aims at shedding light on the question how trust and solidarity among European cititzens are affected by information treatments on a) the diffential affectedness of EU member states in the current crisis, b) the economic benefit through EU trade and c) the strength of European identity. In addition, the study will analyze how policy preferences in various domains and further attitudinal outcome variables are affected by the treatments. To that end, we will conduct online surveys in nine EU member states and two non-EU countries which will enable us to investigate differential treatment effects on trust and solidarity towards compatriots as well as citizens from EU and non-EU countries.
External Link(s)
Registration Citation
Citation
Aksoy, Cevat et al. 2020. "Covid-19, trust and solidarity in the EU." AEA RCT Registry. July 17. https://doi.org/10.1257/rct.6164-1.0.
Sponsors & Partners

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Experimental Details
Interventions
Intervention(s)
We investigate how trust and solidarity among European cititzens are affected by information treatments on a) the diffential affectedness of EU member states in the current crisis, b) the economic benefit through EU trade and c) the strength of European identity. In addition, the study will analyze how policy preferences in various domains and further attitudinal outcome variables are affected by the treatments. We will conduct online surveys in nine EU member states and two non-EU countries which will enable us to investigate differential treatment effects on trust and solidarity towards compatriots as well as citizens from EU and non-EU countries.
Intervention Start Date
2020-07-17
Intervention End Date
2020-08-31
Primary Outcomes
Primary Outcomes (end points)
Trust and solidarity towards own nationals, people from other EU countries and people from Non-EU countries
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
policy preferences in various domains
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
We provide information treatments on several dimensions of the Covid-19 crisis and EU integration.
Experimental Design Details
We randomly provide information treatments on a) the diffential affectedness of EU member states in the current crisis (in terms of confirmed COVID-19 deaths) b) the economic benefit through EU trade and c) the strength of European identity.
Randomization Method
computer
Randomization Unit
individual
Was the treatment clustered?
Yes
Experiment Characteristics
Sample size: planned number of clusters
9 EU countries, 2 Non-EU countries
Sample size: planned number of observations
31200
Sample size (or number of clusters) by treatment arms
750 per country per treatment
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
Research Ethics Office, King's College London
IRB Approval Date
2020-06-26
IRB Approval Number
MRA-19/20-2010
Analysis Plan

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Post-Trial
Post Trial Information
Study Withdrawal
Intervention
Is the intervention completed?
No
Is 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