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Abstract
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Before
We will conduct a lab experiment to evaluate interventions that leverage blockchain features to promote truth-telling. The interventions include 1) collateral size (high/low), and 2) transmission noise level (high/low).
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After
We will conduct a lab experiment to evaluate interventions that leverage blockchain features to promote truth-telling. Specifically, we test how information transmission noise can promote truth-telling.
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Last Published
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Before
April 12, 2026 04:44 AM
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After
May 07, 2026 10:46 AM
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Primary Outcomes (Explanation)
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Before
Two players share information about the state of the world. They have incentives to misreport, while our treatment interventions attenuate the incentives and promote truth-telling.
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After
Two players share information about the state of the world. They have incentives to misreport, while our treatment intervention attenuates the incentives and promote truth-telling.
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Experimental Design (Public)
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Before
The experiment follows a 2-by-2 between-subjects design. Participants have incentives to misreport in the baseline. Each treatment dimension represents an intervention to reduce the incentives to lie. By randomizing whether participants receive these interventions, we expect that lying is less frequent with the interventions than in the baseline.
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After
The experiment follows a 1-by-2 between-subjects design. Participants have incentives to misreport in the baseline (low transmission noise). High transmission noise is expected to reduce the incentives to lie. By randomizing on whether participants receive the intervention (high transmission noise), we expect that lying is less frequent with the intervention than in the baseline.
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Planned Number of Clusters
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Before
200 participants.
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After
100 participants.
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Planned Number of Observations
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Before
200 participants.
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After
100 participants.
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Sample size (or number of clusters) by treatment arms
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Before
There are 50 participants in each of the four treatments from the 2-by-2 design, so the total number of participants is 200.
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After
There are 50 participants in each of the two treatments from the 1-by-2 design, so the total number of participants is 100.
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Intervention (Hidden)
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Before
1. Transmission noise level: high or low
2. Collateral size: high or low
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After
1. Transmission noise level: high or low
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