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<p>We use laboratory experiments to analyze decentralized decision-making in one-sided matching markets. We find that subjects tend to make decisions in line with most theoretical models, as their offering and accepting decisions are mainly guided by the objective of improving upon the status quo. In consequence, markets move towards satisfying blocking pairs making the number of remaining blocking pairs diminish and the aggregate payoffs increase over time. Overall, the theoretical solutions of absorbing sets and stable matchings to the roommate problem are supported by the experimental results. However, not all matchings in an absorbing set have the same power of attraction in the experimental laboratory. The theoretical property of P-stability refines absorbing sets as predictors of final outcomes.</p>

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Experimental results on the roommate problem

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月23日

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  • Elena Molis,
  • Róbert F. Veszteg

摘要

We use laboratory experiments to analyze decentralized decision-making in one-sided matching markets. We find that subjects tend to make decisions in line with most theoretical models, as their offering and accepting decisions are mainly guided by the objective of improving upon the status quo. In consequence, markets move towards satisfying blocking pairs making the number of remaining blocking pairs diminish and the aggregate payoffs increase over time. Overall, the theoretical solutions of absorbing sets and stable matchings to the roommate problem are supported by the experimental results. However, not all matchings in an absorbing set have the same power of attraction in the experimental laboratory. The theoretical property of P-stability refines absorbing sets as predictors of final outcomes.