Gabriel Y. Weintraub

Sidney Taurel Associate Professor of Business

Decision, Risk, and Operations

Columbia Business School

gweintraub “at” columbia.edu

 

You can find my CV here.

Research Papers

Working Papers and Work in Progress


Ifrach, B. and G.Y. Weintraub (2012), A Framework for Dynamic Oligopoly in Concentrated Industries, being revised for resubmission to The Review of Economic Studies (major revision requested), new version coming soon.


Gur, Y., L. Lu, and G.Y. Weintraub (2013), Framework Agreements in Procurement: An Auction Model and Design Recommendations, under revision, new version coming soon.

     

Saban, D. and G.Y. Weintraub (2014), Procurement Mechanisms for Differentiated Products Demand Systems, work in progress.


Balseiro, S., O. Besbes, and G.Y. Weintraub (2014), Approximate Mechanism Design with Budget Constrained Buyers, work in progress.


Adlakha, S. and G.Y. Weintraub (2012), Promoting Competition in Repeated Procurement Auctions, work in progress.


Benkard, C.L., P. Jeziorksi, and G.Y. Weintraub (2013), Oblivious Equilibrium for Concentrated Industries, being revised for resubmission to The RAND Journal of Economics (major revision requested) new version coming soon.


Weintraub, G.Y., C.L. Benkard, P. Jeziorski, and B. Van Roy (2008), Nonstationary Oblivious Equilibrium, working paper.

      - Download C++ code for computing OE, nonstationary OE, and OE with

      aggregate shocks, and error bounds. [Download code] [Documentation]    

      [Pre-compiled binaries]



Journal Papers


Balseiro, S., O. Besbes, and G.Y. Weintraub (2014), Auctions for Online Display Advertising Exchanges: Approximations and Design, forthcoming at Management Science.

    - Short research brief featuring this work here.


Kim, S. W., M. Olivares and G.Y. Weintraub (2014), Measuring the Performance of Large-Scale Combinatorial Auctions: A Structural Estimation Approach, Management Science, Vol. 60, No. 5 (May), 1180-1201. [Finalist paper 2012 MSOM Student Paper Competition]. Online appendix here.


Njoroge, P., A. Ozdaglar, N. Stier, and G.Y. Weintraub (2013), Investment in Two-Sided Markets and the Net Neutrality Debate, Review of Network Economics, Vol. 12, No. 4 (December), 355-402.

       - Short research brief featuring this work here.


Adlakha, S., R. Johari, and G.Y. Weintraub (2012), Equilibria of Dynamic Games with Many Players: Existence, Approximation, and Market Structure, forthcoming at Journal of Economic Theory (Special Issue on Computer Science and Economics).


Farias, V,. D. Saure, and G.Y. Weintraub (2012), An Approximate Dynamic Programming Approach to Solving Dynamic Oligopoly Models, The RAND Journal of Economics, Vol. 43, No.2 (Summer), 253-282. [A previous version of this paper received the second place in the 2009 Informs JFIG paper competition.]     

        - Download Java/CPLEX code to compute and approximate MPE [Link]


Olivares, M., G.Y. Weintraub, R. Epstein, and D. Yung (2011), Combinatorial Auctions for Procurement: An Empirical Study of the Chilean School Meals Auction, Management Science, Vol. 58, No. 8 (August),1458-1481.

        - Online appendix here.

        - Short research brief featuring this article here.


DiPalantino, D., R. Johari, and G.Y. Weintraub (2011), Competition and Contracting in Service Industries, Operations Research Letters, Vol. 39, 390-396.


Weintraub, G.Y., C.L. Benkard, and B. Van Roy (2011), Industry dynamics: Foundations for Models with an Infinite Number of Firms, Journal of Economic Theory, Vol. 146, 1965-1994.


Johari, R., G.Y. Weintraub, and B. Van Roy (2010), Investment and Market Structure in Industries with Congestion, Operations Research, Vol. 58, No. 5, 1303-1317.


Weintraub, G.Y., C.L. Benkard, and B. Van Roy (2010), Computational Methods for Oblivious Equilibrium, Operations Research (Special Issue in Computational Economics), Vol. 58, No. 4, 1247-1265.

    - Download C++ code for computing OE, nonstationary OE, and OE with

      aggregate shocks, and error bounds. [Download code] [Documentation]    

      [Pre-compiled binaries

    - Download Matlab code for computing OE and error bounds. [Download code]


Weintraub, G.Y., C.L. Benkard, and B. Van Roy (2008), Markov Perfect Industry Dynamics with Many Firms, Econometrica, Vol. 76, No. 6 (November, 2008), 1375–1411. [Download unpublished technical Appendix]


Epstein, R., L. Henríquez, J. Catalán, G.Y. Weintraub, C. Martínez, and F. Espejo (2004), A Combinatorial Auction Improves School Meals in Chile: a Case of Operations Research in Developing Countries, International Transactions in Operational Research, Vol. 11, No. 6, 593-612 (Special issue, IFORS “Operations Research for Development” Prize 2002, winner paper).

    - This work was featured here.


Mondschein, S. and G.Y. Weintraub (2003), Appointment Policies in Service Operations: A Critical Analysis of the Economic Framework, Production and Operations Management, Vol. 12, No. 2, 266-286.


Epstein, R., L. Henríquez, J. Catalán, G.Y. Weintraub, and C. Martínez (2002), A Combinational Auction Improves School Meals in Chile, Interfaces, Vol. 32, No. 6, 1-14.

    - This work was featured here.



Refereed Conference Proceedings


Balseiro, S., O. Besbes, and G.Y. Weintraub (2013), Auctions for Online Display Advertising Exchanges: Approximations and Design, ACM Conference on Electronic Commerce.


Kim, S. W., M. Olivares and G.Y. Weintraub (2013), Structural Estimation of a Large-Scale Combinatorial Auction, ACM Conference on Electronic Commerce.


Gur, Y., G.Y. Weintraub, and D. Escobar (2012), A Procurement Auction Model for Framework Agreements, in Charting a Course in Public Procurement Innovation and Knowledge Sharing (10% of papers submitted to the 2012 International Public Procurement Conference selected for publication).


Adlakha, S., R. Johari, G.Y. Weintraub, and A. Goldsmith (2010), On Oblivious Equilibrium for Large Population Stochastic Games, IEEE Conference on Decision and Control.


Njoroge, P., A. Ozdaglar, N. Stier, and G.Y. Weintraub (2009), Competition, Market Coverage, and Quality Choice in Interconnected Platforms, NetEcon Workshop.


S. Adlakha, R. Johari, G.Y. Weintraub and A. Goldsmith, Oblivious Equilibrium for Large-Scale Stochastic Games with Unbounded Costs, IEEE Conference on Decision and Control, 2008.


Adlakha, S., R. Johari, G.Y. Weintraub, and A. Goldsmith (2008), Oblivious Equilibrium for Stochastic Games with Concave Utility, Allerton Conference on Communications, Control and Computing.


Abhishek, V., S. Adlakha, R. Johari, and G.Y. Weintraub (2007), Oblivious Equilibrium for General Stochastic Games with Many Players, Allerton Conference on Communications, Control and Computing.


Weintraub, G.Y., C.L. Benkard, and B. Van Roy (2005), Oblivious Equilibrium: A Mean Field Approximation for Large-Scale Dynamic Games, Advances in Neural Information Processing Systems, MIT Press.



Published Papers in Spanish


Epstein, R., L. Henríquez, F. Espejo, J. Catalán, G.Y. Weintraub, and C. Martínez (2003), An Example of Optimization, Perspectivas en Política, Economía y Gestión, Vol. 6, No. 2, 181-202.


Mondschein, S. and G.Y. Weintraub (2001), Is it Convenient to Make Appointments in a Service Company?, Revista de Ingeniería de Sistemas, Vol. 16, No. 1, 21-48.


Epstein, R., L. Henríquez, J. Catalán, G.Y. Weintraub, and C. Martínez (2001), Integer Programming Improves the Auction Process of School Meals, Revista de Ingeniería de Sistemas, Vol. 15, No. 1, 13-30.