This paper focuses on developing an optimal bidding strategy for bilateral negotiations with private reservation values. The key insights are:
The negotiator's backup plan, conceptualized as a reservation value, can be leveraged to design an optimal bidding strategy. Having a high reservation value allows the negotiator to adopt a more risk-seeking strategy.
The authors propose a Marginal Improvement Algorithm with Reservation Values (MIA-RVelous) that greedily selects the bid with the best marginal improvement to expected utility, given the reservation value. They prove that MIA-RVelous finds the optimal bid sequence in O(n^2D) time, where n is the number of possible agreements and D is the maximum number of rounds.
The paper illustrates the concession behavior of MIA-RVelous through examples. With a reservation value, the agent is incentivized to propose riskier bids with higher utilities but lower acceptance probabilities, as the downside of failed negotiations is mitigated by the backup plan.
The authors discuss how the results can be extended to scenarios with probabilistic reservation values, which can model concurrent negotiations as backup plans. This paves the way for realizing effective concurrent negotiations.
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arxiv.org
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