Associate Professor, OPIM Department, Wharton School, University
address: 545 Jon M. Huntsmann Hall, 3740 Walnut St, Philadelphia, PA 19104
Ph.D. Carnegie Mellon University, 2004.
Modeling Consumer Decisions in Operations and Revenue Management Settings.
Inventory Theory (Supply modes and Sourcing).
Stochastic Modeling, Supply Chain Management.
Now or Later: A Simple Policy for Effective Dual Sourcing in Capacitated Systems (2008), with Alan
Scheller-Wolf, Operations Research Vol. 56 Issue 4 pp 850-864.
Joining Longer Queues: Information Externalities in Queue Choice (2009),
with Laurens Debo, MSOM Vol 11(4) pp 543-562. LEAD ARTICLE.
Previously "Customer Herding in Queues: Inferring Service Quality from Queue Lengths".
An early version of this paper was selected as 2007 INFORMS JFIG Competition Finalist.
MSOM Best Paper Award Finalist (2012).
Media Mentions: Matching Supply with
Models of Herding Behavior in Operations Management
(2009), with Laurens Debo. Chapter in "Operations Management Models with Consumer-Driven Demand" (eds. S. Netessine and C. Tang).
Selling to Strategic Consumers: Opaque Selling Strategies (2009),
with Kinshuk Jerath
and Serguei Netessine. Chapter in "Operations Management Models with Consumer-Driven Demand" (eds. S. Netessine and C. Tang).
Revenue Management with Strategic Customers:
Last Minute Selling and Opaque
Selling (2010), with
Kinshuk Jerath and Serguei Netessine, Management Science
Vol. 56, No. 3, March 2010, pp. 430-448.
for Infrequent Restoration and Recovery of
Mission-Critical Systems (2010), with Sang-Hyun Kim , Morris Cohen and Serguei Netessine, Management Science
Vol. 56, No. 9, September 2010, pp. 1551-1567.
Quality-Speed Conundrum: Tradeoffs in Customer-Intensive
Services (2010), with Krishnan Anand and M.
Fazil Pac, Management Science Vol. 57, No. 1, pp. 40-56.
This paper was selected as a finalist on for the 2009 INFORMS JFIG Competition.
Herding in Queues with Waiting costs:
Rationality and Regret (2010), with Laurens Debo, MSOM Vol. 13, No. 3, pp. 329-346.
Media Mention: ChicagoNow RedEye Blog
Selling to Conspicuous Consumers: Pricing, Production and Sourcing
Decisions,(2012), with Necati Tereyagoglu, Management Science Vol 58, No 12, pp. 2168-2189. (Technical Appendix).
Measuring Seat Value in
Stadiums and Theaters: An Empirical Investigation (2012), with Ramnath
Vaidyanathan, Production and Operations Management Vol 22, No. 1, pp 49-68.
An earlier version of the paper is available at the WSBI website.
Media Mentions: Conde Nast Portfolio Magazine. Price Discrimination and Baseball Tickets.
Papers Under Review/Working Papers
Blind Queues: Impact of Consumer Beliefs on Revenues and Congestion. with S. Cui, 2013.
Signaling by Price in a Congested Environment with L. Debo and U. Rajan, 2013.
Equilibrium in Queues under Unknown Service Times and Service Value with L. Debo, 2013.
Simple Policies for Managing Flexible Capacity with G. Janakiraman and M. Nagarajan, 2012.
Working Papers >
Filling Seats at a Theater: Estimating the Impact of Posted Prices and Dynamic Discounts with N. Tereyagoglu and P. Fader, 2012. Wharton Working Paper.
Strategic Diagnosis and Pricing in Expert Services with M. Paç, 2012. Wharton Working Paper.
Prices and Congestion as Signals of Quality with L. Debo, 2011. Formerly titled "Firm Service Rate Selection when Service Rates are not Observable and Service Value is Unknown to the Market".
Effective Dual Sourcing with a Single Index Policy with A.S. Scheller-Wolf and G. J. van Houtum, 2009.Working Paper.
Speculative Behavior in a Queue with A. Catalán and G. Cachon, 2010. Working Paper.
Manuscripts in Preparation
Carbon Footprint in Electronic Book Supply Chain (Data collection in Progress).
Learning Service Quality by Observing Service Outcomes with Refael Hassin and Laurens Debo.
Refereed Conference Proceedings
Quality - Speed Conundrum: Tradeoffs in Labor Intensive Services. Service SIG Conference, MIT Boston, MA. (Paper Discussant - Dr. Francis de Véricourt, ESMT). A later version of this paper was published. with K. Anand and M. Paç 2009.
Is it Worth the Wait? Service Choice and Externalities When Waiting is Expensive. First Service SIG Conference, College Park, MD. (Paper Discussant - Dr. Assaf Zeevi, Columbia University). with L. Debo 2008.
Recent Invited Research Talks/Seminars
2011, University of Texas, Austin, TX
2011, University of Michigan, Ann Arbor, MI
2011, INSEAD, Singapore
October 2010, University of California, Berkeley, CA
October 2010, University of North Carolina, Chapel Hill, NC
May 2010, University of Chicago, Chicago, IL
January 2010, Carnegie Mellon University, Pittsburgh, PA
October 2009, Penn State University, State College, PA
September 2009, Cornell University, Ithaca, NY.
March 2009, Kellogg Seminar Series, Kellogg, Evanston, IL.
February 2009, USC Marshall School of Business, Los Angeles, CA.
December 2008, University of Maryland, Smith School, College Park, MD.
November 2008, UCLA Anderson School, DOTM Colloquium, Los Angeles, CA.
September 2008, Kellogg Operations Workshop. Evanton, IL.
November 2007, Informs JFIG Finalist Session Presentation, Seattle WA.
October 2007, Conference on Customer Oriented Operations, Washington University, St. Louis .
April 2007, IOMS department Stern School, NYU .
March 2007, Operations and Logistics Department Univ of British Columbia.
October 2006, Operations Department Indian School of Business.
Other Conference Talks: Invited or Refereed
INFORMS Annual Meeting, Phoenix AZ, November 2012:
Consumer Learning and Queues; Equilibrium in Queues under Unknown Service Rates and Service Value;
Expert Queues: Information Pricing and Congestion; Learning Quality from Service Outcomes.
INFORMS Annual Meeting, Charlotte NC, November 2011:
Impact of Purchase Delays on Revenues: A Structural Model based on Arts Organization Data; Learning Quality from Service Outcomes; Pricing and Diagnosis in Credence Services; Pricing and Production Decisions under Conspicuous Consumption; Static Pricing in the Presence of Demand Shocks and Strategic Customers.
INFORMS Annual Meeting, Austin TX, November 2010:
Quality Speed Conundrum: Tradeoffs in Customer-Intensive Services; Setting Prices for Theater Seats Based on Consumer Choice Behavior; Signaling Quality through Price and Service Rate; Signaling Service Quality in Queues
INFORMS Annual Meeting, San Diego CA, October 2009:
Pricing and Quantity Decisions under Conspicuous Consumption; Firm Service Rate Selection When Quality and Service Rates are Unknown; Quality Speed Conundrum: Trade-offs in Customer-Intensive Services; Pricing and Quality in Expert Services; Measuring Seat Value in Theaters; Signaling Service Quality in Queues; Herding in Two Queues.
INFORMS Annual Meeting, Washington DC, October 2008:
Is it Worth the Wait? Herding when waiting is expensive; Linking Customer Satisfaction with Future Willingness-to-pay; Quality vs. Speed: The Waiting/ Service Time Conundrum; Selling to Conspicuous Consumers; Joining Longer Queues: Information Externalities in Queue Choice.
INFORMS Conference, Seattle WA, October 2007:
Multi-channel Competition with Opaque Products; Customer Herding in Queuing Services; Customer Herding in Queues: Inferring Service Quality from Queue Lengths; Quantity Decisions Under Customer Learning Behavior.
INFORMS Annual Meeting, Pittsburgh PA, November 2006:
Capacity Rationing in Two-Channel Supply Chain with Herding Externalities; Inventory Policies for Capacitated Systems with Multiple Products; Integrating Revenue Management Systems with Recommendation Engines; Quantity Decisions Under Customer Learning Behavior.
INFORMS Annual Meeting, San Francisco CA, November 2005:
Rationing and Expediting in a Service Center Facing Multi-class Demand; To Join the Longest Queue or the Shortest Queue: Inferring Quality Through Congestion.
INFORMS Annual Meeting, Denver CO, October 2004:
Inferring Service Quality from Queue Lengths in a Multi-server Setting.
Wharton School, University of Pennsylvania
MBA, Operations Strategy , Spring 2013.
Undergraduate, Introduction to Operations Management (OPIM 220), Spring 2013. Download the syllabus.
Wharton Undergraduate Excellence in Teaching Award 2013.
MBA, Supply Chain Management (OPIM 632), Spring Q4 2005-2011.
Undergraduate, Introduction to Operations Management (OPIM 220), Spring Semester 2006-2012. This is an Introductory course for ALL students
curious to learn more about Operations Management. Download the syllabus. Average Rating (2006-2011): 3.5/4.
WEMBA West, Supply Chain Management (OPIM 632), Spring Semester 2011, 2012
Student Advising/Dissertation Committees
Necati Tereyagoglu 2012 [Currently at Georgia Tech]
M. Fazil Pac 2012 [Currently at McKinsey]
Ramnath Vaidyanathan 2011 [Currently at McGill]
Pnina Feldman 2011 [Currently at UC Berkeley]
Kinshuk Jerath 2008. [Currently at Carnegie Mellon]
Sang-Hyun Kim 2008 [Recipient of 2008 George B. Dantzig Dissertation Award. Currently at Yale]
Robert Swinney 2008 [Currently at Stanford]
Andres Catalán 2013 (expected)
Jaelynn Oh 2013 (expected)
Shiliang Cui 2014 (expected)
Services & Awards
Awards and Grants:
Undergraduate Excellence in Teaching Award, 2013.
Finalist, MSOM Best Published Paper, 2012.
Dean's Research Grant 2011.
Management Science Distinguished Service Award 2010.
INFORMS Junior Faculty Paper Competition Finalist 2009.
Management Science Meritorious Service Award 2009.
MSOM Distinguished Service Award 2008.
INFORMS JFIG 2007 Finalist, Wharton Sports Business Initiative Grant 2008, Fishman-Davidson Center Research Grant 2007, Wharton MACK center Grant 2007,
WeBi Grant 2006,
William W. Cooper Dissertation Award 2004, Best Student Teacher Award (CMU) 2004, Carnegie-Bosch Grant 2004.
Judge: MSOM Student Paper Competitions, 2009, 2008, 2007, 2006, 2005.
Referee: Management Science, Operations Research, M&SOM, Marketing Science, Production and Operations Management, Naval Research Logistics, Decision Sciences, IIE
Consulting/Advising/Projects: Comcast, Wharton Sports Business Initiative, Rakuten Golden Eagles, Greater Philadelphia Cultural Alliance, Pittsburgh Symphony Orchestra.
Independent Studies: Sang Kim, Yuta Namiki, Diwas KC.
Slashdot, Knowledge@Wharton, Firefox & Thunderbird.
Schools: Wharton, Carnegie Mellon University, IIT Bombay