Photo of Christian Terwiesch

Christian Terwiesch

Andrew M. Heller Professor at the Wharton School

Senior Fellow Leonard Davis Institute for Health Economics

Co-Director, Mack Institute of Innovation Management

Research Interests: analyzing operational performance, financial services, including hospitals, innovation management, innovation portfolios various industries, lean operations, online stores, pharmaceuticals, r&d management, semi-conductors

Links: CV


  • Christian Terwiesch, Yi Xu (Working), Pro-Social Innovation.
  • Antonio Moreno-Garcia, Christian Terwiesch (Under Revision), Pricing and Production Flexibility: An Empirical Analysis of the US Automotive Industry .  
  • Antonio Moreno-Garcia, Christian Terwiesch, Elena Krasnokutskaya (Working), An Empirical Analysis of Reputation in Online Service Market Places.
  • Bob Batt, Christian Terwiesch (Under Revision), The Behavior of Doctors Under Load: An Empirical Analysis of Reputation in Online Service Market Places.  
  • Rachel M. Werner, Christian Terwiesch, Steven C. Marcus, Anne Canamucio (Under Revision), The Relationship between Primary Care Access and ER Use.  
  • Rachel M. Werner, Christian Terwiesch, Steven C. Marcus, Jennifer Gutierrez (Working), A Time-and-Motion Study of Primary Care Provider.
  • Antonio Moreno-Garcia, Christian Terwiesch (Working), Product Line Decisions as a Hedge Against Uncertainty: An Empirical Analysis in the US Automotive Industry.
  • Christian Terwiesch, Shivan Mehta, Kevin Volpp (Under Review), Innovation in Health Care: The UPHS Innovation Tournament.
  • Kevin Volpp, Christian Terwiesch, Andrea Troxel, Shivan Mehta, David Asch (Under Review), Evidence-based Evolutionary Design of Clinical Trials.
  • Bob Batt, Christian Terwiesch (Under Revision), Waiting Patiently:An Empirical Study of Queue Abandonment in an Emergency Department.  
  • KC Diwas, Christian Terwiesch (2012), An Econometric Analysis of Patient Flows in the Cardiac Intensive Care Unit, Manufacturing & Service Operations Management, 14 (1), 50 - 65.    Abstract
  • Evan Fieldston, Joan Li, Christian Terwiesch, Mark A. Helfaer, Judy Verger, Susmita Pati, David Surrey, Kiran Patel, Jessica L. Ebberson, Richard Lin, Joshua Metlay (2012), Direct Observation of Bed Utilization in the Pediatric Intensive Care Unit, Journal of Hospital Medicine, 7 (4), 318 - 324.    Abstract
  • Melissa L. McCarthy, Ru Ding, Jesse M. Pines M.D., Christian Terwiesch, Mehdi Sattarian, Joshua A. Hilton, Jennifer Lee, Scott Zeger (2012), Provider Variation in Fast Track Treatment Time, Medical Care, 50 (1), 43 - 49.    Abstract
  • Christian Terwiesch, KC Diwas (2011), The Effects of Focus on Performance: Evidence from California Hospitals, Management Science, 57 (11), 1897 - 1912.    Abstract
  • Jesse M. Pines M.D., Robert Batt, Joshua A. Hilton, Christian Terwiesch (2011), The Financial Consequences of Lost Demand and Reducing Boarding in Hospital Emergency Departments, Annals of Emergency Medicine, 58 (4), 331 - 340.    Abstract
  • Teck-Hua Ho, Sergei Savin, Christian Terwiesch (2011), Note: A Reply to “New Product Diffusion Decisions Under Supply Constraints”, Management Science, 57 (10), 1811 - 1812.    Abstract
  • Christian Terwiesch, Diwas KC, Jeremy Kahn (2011), Working with Capacity Limitations: Operations Management in Critical Care, Critical Care, 15 (4), 308 - 314.    Abstract
  • Justin Ren, Morris A. Cohen, Teck Ho, Christian Terwiesch (2010), Information Sharing in a Long-Term Supply Chain Relationship: The Role of Customer Review Strategy, Operations Research, 58 (1), 81 - 93.    Abstract
  • Karan Girotra, Christian Terwiesch, Karl Ulrich (2010), Idea Generation and the Quality of the Best Idea, Management Science, 56 (4), 591 - 605.    Abstract
  • Andres Musalem, Marcelo Olivares, Eric Bradlow, Christian Terwiesch, Daniel Corsten (2010), Structural Estimation of the Effect of Out-of-Stocks, Management Science, 56 (7), 1180 - 1197.    Abstract
  • Diwas KC, Christian Terwiesch (2009), Impact of Workload on Service Time and Patient Safety: An Econometric Analysis of Hospital Operations, Management Science, 55 (9), 1486 - 1498.    Abstract
  • Christian Terwiesch, Karl Ulrich, Innovation Tournaments (2009).  Abstract
  • Gérard Cachon, Christian Terwiesch, Yi Xu (2008), On the Effects of Consumer Search and Market Entry in a Multiproduct Competitive Market, Marketing Science, 461-473.    Abstract
  • Christian Terwiesch, "Product Development as a Problem Solving Process". In Blackwell Handbook on Technology and Innovation Management , edited by S. Shane, (2008).
  • Christian Terwiesch, Yi Xu (2008), Innovation Contests, Open Innovation, and Multiagent Problem Solving, Management Science, 54 (9), 1529 - 1543.    Abstract
  • Marcelo Olivares, Christian Terwiesch, Lydia Cassorla (2008), Structural Estimation of the Newsvendor Model: An Application to Reserving Operating Room Time, Management Science, 54 (1), 45 - 55.    Abstract
  • Christian Terwiesch, Christoph H. Loch, "Coordination in Product Development". In Handbook on Product Development, edited by S. Kavadias, Christoph H. Loch, (2007).
  • Karan Girotra, Karl Ulrich, Christian Terwiesch (2007), Valuing R&D Projects in a Portfolio: Evidence from the Pharmaceutical Industry, Management Science, 53 (9), 1452 - 1466.    Abstract
  • Taylor Randall, Christian Terwiesch, Karl Ulrich (2007), User Design of Customized Products, Marketing Science, 26 (2), 268 - 280.    Abstract
  • Gérard Cachon, Christian Terwiesch, Yi Xu (2005), Retail Assortment Planning in the Presence of Consumer Search, Manufacturing & Service Operations Management, 7 (4), 330 - 346.    Abstract
  • Taylor Randall, Christian Terwiesch, Karl Ulrich (2005), Principles of User Design, California Management Review, 7 (4), 68 - 85.    Abstract
  • Christian Terwiesch, Il-Horn Hann, Sergei Savin (2005), Online Haggling at a Name-Your-Own-Price Retailer: Theory and Application, Management Science, 51 (3), 339 - 351.    Abstract
  • Christian Terwiesch, Justin Ren, Teck-Hua Ho, Morris A. Cohen (2005), An Empirical Analysis of Forecast Sharing in the Semiconductor Equipment Supply Chain, Management Science, 51 (2), 208 - 220.    Abstract
  • Christopher H. Loch, Christian Terwiesch (2005), Decisions under Preliminary Information: Rush and Be Wrong or Wait and Be Late?, Production and Operations Management, 14 (3), 331 - 343.    Abstract
  • Gérard Cachon, Christian Terwiesch, Matching Supply with Demand: An Introduction to Operations Management (2005).  Description
  • Sergei Savin, Christian Terwiesch (2005), Optimal Product Launch Time in a Duopoly: Balancing Lifecycle Revenues with Product Cost, Operations Research, 53 (1), 26 - 47.    Abstract
  • Christian Terwiesch, Christoph H. Loch (2004), Collaborative Prototyping and the Pricing of Custom Designed Products, Management Science, 50 (2), 145 - 158.    Abstract
  • Christian Terwiesch, Yi Xu (2004), The Copy-Exactly Ramp-up Strategy: Trading-off Learning with Process Change, IEEE Transactions on Engineering Management, 51 (1), 70 - 84.    Abstract
  • Il-Horn Hann, Christian Terwiesch (2003), Measuring the Frictional Costs of Online Transactions: The Case of a Name-Your-Own-Price Channel, Management Science, 49 (11), 1563 - 1579.    Abstract
  • Morris A. Cohen, Teck-Hua Ho, Justin Ren, Christian Terwiesch (2003), Measuring Imputed Cost in the Semiconductor Equipment Supply Chain, Management Science, 49 (12), 1653 - 1670.    Abstract
  • Christian Terwiesch, Arnoud De Meyer, Christoph H. Loch (2002), Exchanging Preliminary Information in Concurrent Engineering: Alternative Coordination Strategies, Organization Science, 13 (4), 402 - 419.    Abstract
  • Teck-Hua Ho, Sergei Savin, Christian Terwiesch (2002), Managing Demand and Sales Dynamics in New Product Diffusion, Management Science, 48, 187 - 206.    Abstract
  • Christian Terwiesch, Roger E. Bohn, K.C. Chea (2001), International Product Transfer and Production Ramp-up: A Case Study from the Data Storage Industry, R&D Management, 31 (4), 435 - 451.    Abstract
  • Christoph H. Loch, Christian Terwiesch, Stefan Thomke (2001), Parallel and Sequential Testing of Design Alternatives, Management Science, 47 (5), 663 - 678.    Abstract
  • Christoph H. Loch, Michael T. Pich, Christian Terwiesch, Michael Urbschat (2001), Selecting R&D Projects at BMW: A Case Study of Adopting Mathematical Programming Models, IEEE Transactions on Engineering Management, 48 (1), 70 - 80.    Abstract
  • Christian Terwiesch, Roger E. Bohn (2001), Learning and Process Improvement during Production Ramp-up, International Journal of Production Economics, 10, 1 - 19.    Abstract
  • Christoph H. Loch, Christian Terwiesch, "Product Development and Concurrent Engineering". In Encyclopedia of Production and Manufacturing Management, edited by P. M. Swamidass, (2000).
  • Roger E. Bohn, Christian Terwiesch (1999), The Economics of Yield-Driven Processes, Journal of Operations Management, 18, 41 - 59.    Abstract
  • Christian Terwiesch, Christoph H. Loch (1999), Measuring the Effectiveness of Overlapping Development Activities, Management Science, 45 (4), 455 - 465.    Abstract
  • Christian Terwiesch, Christoph H. Loch (1999), Accelerating the Process of Engineering Change Orders: Capacity and Congestion Effects, Journal of Product Innovation Management, 16 (2), 145 - 159.    Abstract
  • Christian Terwiesch, Christoph H. Loch (1999), Managing the Process of Engineering Change Orders: The Case of the Climate Control System in Automobile Development, Journal of Product Innovation Management, 16 (2), 160 - 172.    Abstract
  • Christoph H. Loch, Christian Terwiesch (1998), Communication and Uncertainty in Concurrent Engineering, Management Science, 44 (8), 1032 - 1048.    Abstract
  • Christian Terwiesch, Christoph H. Loch, Martin Niederkofler (1998), When Product Development Performance Makes a Difference: A Statistical Analysis in the Electronics Industry, Journal of Product Innovation Management, 15 (1), 3 - 15.    Abstract
  • Christopher H. Loch, Lothar Stein, Christian Terwiesch (1996), Measuring Development Performance in the Electronics Industry, Journal of Product Innovation Management, 13 (1), 3 - 20.    Abstract