Communication in Bargaining with an Endogenous Fund
Last registered on September 01, 2018
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Pre-Trial

Trial Information
General Information
Title
Communication in Bargaining with an Endogenous Fund
RCT ID
AEARCTR-0003254
Initial registration date
August 31, 2018
Last updated
September 01, 2018 7:26 PM EDT
Location(s)

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Primary Investigator
Name
Caleb Cox
Affiliation
Virginia Commonwealth University
Contact Primary Investigator
Other Primary Investigator(s)
PI Name
Andrzej Baranski
PI Affiliation
New York University Abu Dhabi
Additional Trial Information
Status
In development
Start date
2018-09-10
End date
2019-07-31
Keywords
Other
Additional Keywords
bargaining, lab experiment, communication
JEL code(s)
C72, C78, D72
Secondary IDs
Abstract
We will investigate how the ability to communicate via anonymous computerized text chat and observability of individual contributions affect behavior in a three-person legislative bargaining game with contributed funds. We will examine how these features of the game influence bargaining power and outcomes.
External Link(s)
Registration Citation
Citation
Baranski, Andrzej and Caleb Cox. 2018. "Communication in Bargaining with an Endogenous Fund." AEA RCT Registry. September 01. https://www.socialscienceregistry.org/trials/3254/history/33787
Sponsors & Partners
Experimental Details
Interventions
Intervention(s)
Intervention Start Date
2018-09-10
Intervention End Date
2019-07-31
Primary Outcomes
Primary Outcomes (end points)
contributions, proposer allocations, votes to approve or disapprove allocations
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
chat messages in conditions with communication
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
There are four experimental conditions, all of which involve a bargaining game in which players first make contributions to a group fund, and then a random proposer allocates the resulting group fund among players. Players can vote on whether or not to accept the proposal. If the proposal is rejected, another random proposer is selected.

Condition NCNO is the baseline without communication or observable contributions.
Condition CNO introduces communication without observable contributions.
Condition NCO introduces observable contributions without communication.
Condition CO combines both communication and observable contributions.
Experimental Design Details
Not available
Randomization Method
Randomization to experimental conditions is done in office by computer.
Randomization Unit
Groups of participants (sessions) are randomized to experimental conditions.
Was the treatment clustered?
Yes
Experiment Characteristics
Sample size: planned number of clusters
20 sessions
Sample size: planned number of observations
240 participants
Sample size (or number of clusters) by treatment arms
60 subjects (5 sessions) per experimental condition
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Supporting Documents and Materials
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
Virginia Commonwealth University
IRB Approval Date
2018-08-20
IRB Approval Number
HM20013839
Analysis Plan