Legislative bargaining with private information: a comparison of majority and unanimity rule
We present a three-person, two-period bargaining game with private information. A single proposer is seeking to secure agreement to a proposal under either majority or unanimity rule. If the first period proposal fails, the game ends immediately with an exogenously given "breakdown" probab...
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| Main Authors: | , |
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| Format: | Book/Monograph Working Paper |
| Language: | English |
| Published: |
Heidelberg
Heidelberg University, Department of Economics
27 Juli 2024
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| Series: | AWI discussion paper series
no. 753 (July 2024) |
| In: |
AWI discussion paper series (no. 753 (July 2024))
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| DOI: | 10.11588/heidok.00035195 |
| Subjects: | |
| Online Access: | Verlag, kostenfrei: https://archiv.ub.uni-heidelberg.de/volltextserver/35195/13/Piazolo_Vanberg_2024_dp753.pdf Resolving-System, kostenfrei: https://nbn-resolving.org/urn:nbn:de:bsz:16-heidok-351956 Resolving-System, kostenfrei: https://doi.org/10.11588/heidok.00035195 Resolving-System, kostenfrei: https://hdl.handle.net/10419/301235 
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| Author Notes: | David Piazolo, Christoph Vanberg |
| Summary: | We present a three-person, two-period bargaining game with private information. A single proposer is seeking to secure agreement to a proposal under either majority or unanimity rule. If the first period proposal fails, the game ends immediately with an exogenously given "breakdown" probability. Two responders have privately known disagreement payoffs. We characterize Bayesian equilibria in stagewise undominated strategies. Our central result is that responders have a signaling incentive to vote "no" on the first proposal under unanimity rule, whereas no such incentive exists under majority rule. The reason is that being perceived as a "high breakdown value type" is advantageous under unanimity rule, but disadvantageous under majority rule. As a consequence, responders are "more expensive" under unanimity rule and disagreement is more likely. These results confirm intuitions that have been stated informally before and in addition yield deeper insights into the underlying incentives and what they imply for optimal behavior in bargaining with private information. |
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| Physical Description: | Online Resource |
| DOI: | 10.11588/heidok.00035195 |