Ratul Lahkar 
email: ratul.lahkar@iimu.ac.in

I am a Professor of Economics in IIM Udaipur. My research interests are Game Theory, Evolution and Learning in games, Microeconomic theory and Mathematical Economics. Here is a link to my  Curriculum Vitae

Working Papers

   Signaling in a Green Supply Chain (with Vinay Ramani)

    Large Population Contests as Potential Games

    Elimination of Non-Individualistic Preferences in Large Population Aggregative Games

   A Limit Cycle View of Inequality (with Anindya S. Chakrabarti) 


Evolutionary Game Theory

  Evolutionary Implementation in a Public Goods Game (with Saptarshi Mukherjee) (Journal of Economic Theory, 2019, 181, 423-460)

  Convergence to Walrasian Equilibrium with Minimal Information (2019, forthcoming, Journal of Economic Interaction and Coordination)

  Nonatomic Potential Games: The Continuous Strategy Case (with Man Wah Cheung) (Games and Economic Behavior,  2018, 108, 341-362; special issue in honor of Lloyd S. Shapley)

  An Evolutionary Analysis of Growth and Fluctuations with Negative Externalities (with Anindya S. Chakrabarti) (Dynamic Games and Applications, 2018, Volume 8, 733-760)

  Equilibrium Selection in the Stag Hunt Game under Generalized Reinforcement Learning (Journal of Economic Behavior and Organization, 2017, 138, 63-68)

  Productivity Dispersion and Output Fluctuations: An Evolutionary Model  (with Anindya S. Chakrabarti) (Journal of Economic Behavior and Organization, 2017, 137, 339-360)  

  Large Population Aggregative Potential Games (Dynamic Games and Applications, 2017, 7, 443-467 ) 

  The Logit Dynamic for Games with Continuous Strategy Sets (with Frank Riedel) (Games and Economic Behavior, 2015, 91, 268-282)

  The Dynamics of Generalized Reinforcement Learning (with Robert M. Seymour) (Journal of Economic Theory, 2014, 151, 584-595 )

  Reinforcement Learning in Population Games (with Robert M. Seymour) (Games and Economic Behavior, 2013Volume 80, 10-38 )

  The Dynamic Instability of Dispersed Price Equilibria (Journal of Economic Theory, 2011, Volume 146, 1796‐1827)  

  The Projection Dynamic and the Replicator Dynamic (with William H. Sandholm and Emin Dokumaci) (Games and Economic Behavior, 2008, Volume 64, 666-683)

  The Projection Dynamic and the Geometry of Population Games  (with William H. Sandholm) (Games and Economic Behavior, 2008, Volume 64, 565-590)


Applied Economics 

   Does Multiple Borrowing Necessarily Mean Over-Borrowing? (with Viswanath Pingali and Santadarshan Sadhu) (Enterprise Development and Microfinance, 2016, 27; 132--141)  

  Expansion and Welfare in Microfinance: A Screening Model (with Viswanath Pingali) (Economic Modelling, 2016, 53, 1-7)

   Risk Diversification through Multiple Group Formation in Microfinance (with Viswanath Pingali) (Applied Economics Letters, 2014, Volume 9, 622-625)


Expository Articles and Book Chapters

  Absence of  Economic and Social Constants (with Anindya S. Chakrabarti) (The European Physical Journal Special Topics, 2016, Volume 225 3115-3119) 

  Lending to Low Income Households and Enterprises (with Shilpa Sathe and Arun Kumar D) (in Financial Engineering for Low-Income Households, eds. Bindu Ananth and Amit Shah, Sage Publications India, 2012)      

  Evolution in Bayesian Supermodular Population Games (Studies in Microeconomics, 2013, Volume 1, 59-80)  

  Evolutionary Game Theory: An Exposition (Indian Growth and Development Review, 2012Volume 5, 202-213)