Research

I'm a game theorist and microeconomic theorist.

Current Working Paper:

        A Cooperative Analysis of Incomplete Information 

            Qingmin Liu, February 2025 (an early version with an application to networks)

       Coasian Equilibria in Sequential Auctions

            Qingmin Liu, Konrad Mierendorff, Xianwen Shi

              January 2025

        Matching with Incomplete Information 

            Qingmin Liu, December 2024

       A Theory of Marriage with Incomplete Information 

            Qingmin Liu and Xingye Wu  (draft available upon request)

       Rational Expectations Stability and Competitive Equilibrium in Matching with Incomplete Information

             Qingmin Liu, 2017 

       Stable Belief and Stable Matching

             Qingmin Liu, 2017

1. Matching & Cooperative Game Theory with Incomplete Information

        Matching with Incomplete Information 

            Qingmin Liu, December 2024

            Handbook of the Economics of Matching vol 1. 

        A Cooperative Analysis of Incomplete Information 

            Qingmin Liu 

            Working Paper, May 2023

       Stability and Bayesian Consistency in Two-Sided Markets

             Qingmin Liu

             American Economic Review, August 2020.

       Stable Matching with Incomplete Information

             Qingmin Liu, George J. Mailath, Andrew Postlewaite, Larry Samuelson

             Econometrica, 2014, 82, 541–587.   Online Appendix

       Rational Expectations Stability and Competitive Equilibrium in Matching with Incomplete Information

             (incorporated into other papers)

             Working Paper, 2017, Columbia University 

       Stable Belief and Stable Matching

             (incorporated into other papers)

             Working Paper, 2017, Columbia University

2. Auctions, Bargaining & Pricing

       Coasian Equilibria in Sequential Auctions

            Qingmin Liu, Konrad Mierendorff, Xianwen Shi

            European Economic Review, Special Issue In Honor of Konrad Mierendorff, 2025

       Auctions with Limited Commitment

             Qingmin Liu, Konrad Mierendorff, Xianwen Shi, Weijie Zhong

             American Economic Review, March 2019.

       Gambling Reputation: Repeated Bargaining with Outside Options 

             Jihong Lee and Qingmin Liu

             Econometrica, 2013, 81, 1601–1672.    Online Appendix w Equilibrium Construction

       Transparency and Price Formation

             Ayca Kaya and Qingmin Liu

             Theoretical Economics, 2015, 10, 341–383.    Online Appendix

       Equilibrium of a Sequence of Auctions when Bidders Demand Multiple Items

             Qingmin Liu

             Economics Letters, 2011, 112, 192–194.

3. Dynamic Contracts & Experimentation

       Strategic Exploration: Preemption and Prioritization

            Qingmin Liu and Yu Fu Wong

            Review of Economic Studies, 2024

       Contests for Experimentation

            Marina Halac, Navin Kartik, Qingmin Liu

            Journal of Political Economy, 2017.    Online Appendix, Slides

        Optimal Contracts for Experimentation

            Marina Halac, Navin Kartik, Qingmin Liu

            Review of Economic Studies, July 2016.   Erratum,  Slides

        The Role of Information in Innovation and Competition

            Ufuk Akcigit and Qingmin Liu

            Journal of the European Economic Association, August 2016.   Slides

4. Reputation & Dynamic Games

       Limited Records and Reputation Bubbles

            Qingmin Liu and Andrzej Skrzypacz

            Journal of Economic Theory, 2014, 151, 2–29.

       Gambling Reputation: Repeated Bargaining with Outside Options (cross-listed in #2)

            Jihong Lee and Qingmin Liu

            Econometrica, 2013, 81, 1601–1672.   Online Appendix with Equilibrium Construction

       Information Acquisition and Reputation Dynamics

            Qingmin Liu

            Review of Economic Studies, 2011, 78, 1400–1425.   

5. Epistemic Foundations of Game Theory

       Correlation and Common Priors in Games with Incomplete Information

            Qingmin Liu

            Journal of Economic Theory, 2015.  Working Paper 2005

       On Redundant Types and Bayesian Formulation of Incomplete Information

            (a new extension theorem for semirings)

            Qingmin Liu 

            Journal of Economic Theory, 2009, 144, 2115–2145.

       Representation of Belief Hierarchies in Games with Incomplete Information

            Qingmin Liu

            Working Paper, 2005 (Partially incorporated in JET 2015)

       Higher-Order Beliefs and Epistemic Conditions for Nash Equilibrium

            Qingmin Liu

6. Matching & Assignment       

       Ordinal Efficiency, Fairness, and Incentives in Large Markets

            Qingmin Liu and Marek Pycia

            Working Paper, Columbia University, 2011