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Welcome to Andrew Ching's home page.

I am an assistant professor at Joseph Rotman School of Management, University of Toronto.

Research Interests: Quantitative Marketing, Industrial Organization and Applied Econometrics.

Here is my C.V.

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Research

· Dissertation

• Dynamic Equilibrium in the U.S. Prescription Drug Market After Patent Expiration, Ph.D. dissertation, University of Minnesota, 2000.

· Recent Publications

• “Bayesian Estimation of Dynamic Discrete Choice Models,” (with Susumu Imai and Neelam Jain) Econometrica, vol. 77(6), pp.1865-1899, 2009. Presentation slides can be downloaded from here.
• “A Dynamic Oligopoly Structural Model for the Prescription Drug Market After Patent Expiration,” forthcoming in International Economic Review. Presentation slides can be downloaded from here
• “The Price Consideration Model of Brand Choice,” (with Tulin Erdem, Michael Keane), Journal of Applied Econometrics, vol.24(3), pp.393-420, 2009 (a special issue on New Econometric Models in Marketing edited by P. Chintagunta, P.H. Franses and R. Paap). Published version is available here.
• “Challenges to Evidence-Based Prescribing in Clinical Practice,” (with Muhammad Mamdani, Brian Golden, Magda Melo, Ulrich Menzefricke), The Annals of Pharmacotherapy, vol.42(5), pp.704-707, 2008.
• “Recent Advances in Structural Econometric Modeling: Dynamic, Product Positioning, and Entry,” (with J.-P. Dube, K. Sudhir, G. Crawford, M. Draganska, J. Fox, W. Hartmann, G. Hitsch, B. Viard, M. Villas-Boas, and N. Vilcassim), Marketing Letters, vol. 16(3), pp.209-224, December, 2005.
• “Understanding Firm, Physician and Consumer Choice Behavior in the Health Care Industry,” (with P. Manchanda, D. Wittink, P. Cleanthous, M. Ding, X.J. Dong, P. Leeflang, S. Misra, N. Mizik, S. Narayanan, T. Steenburgh, J.E. Wieringa, M. Wosinska, Y. Xie), Marketing Letters, vol. 16(3), pp.293-308, December, 2005.

· Working Papers

• A Practitioner's Guide to Bayesian Estimation of Discrete Choice Dynamic Programming Models (with Susumu Imai, Masakazu Ishihara and Neelam Jain)

- Both C and Matlab code are available upon request.

- Presentation slides can be downloaded from here.

• Consumer Learning and Heterogeneity: Dynamics of Demand for Prescription Drugs After Patent Expiration

- 2009 version (this is a shortened version with more emphasis on the methodological contributions)

- An older version can be downloaded from here.

• Some Observations in the US Prescription Drug Market After Patent Expiration during the 80s

• The Effects of Detailing on Prescribing Decisions under Quality Uncertainty (with Masakazu Ishihara)

• Measuring the Informative and Persuasive Roles of Detailing on Prescribing Decisions (with Masakazu Ishihara)

• Dynamics of Consumer Adoption of New Technology: The Case of ATM Cards (with Botao Yang)

• Payment Card Rewards Programs and Consumer Payment Choice (with Fumiko Hayashi)

• Quantifying the Impacts of Limited Supply: The Case of Nursing Homes (with Fumiko Hayashi)

· Work-in-progress

• How Much Do Consumers Know About the Quality of Products? Evidence from the Diaper Market (with Tulin Erdem and Michael Keane)

• A Dynamic Model of Consumer Learning and Forgetting (with Susumu Imai, Masakazu Ishihara and Neelam Jain)

· Invited Presentations

• “Estimation of Discrete Choice Models with Strategic Interactions,” presented at 2008 ISMS Doctoral Consortium, Vancouver, BC, Canada, June 11, 2008.

• “Recent Developments and Challenges of Single Agent Dynamic Models,” presented at 2009 ISMS Doctoral Consortium, University of Michigan, Ann Arbor, MI, June 3, 2009.

· Media Coverage

• Credit cards rewards plan may fuel debt: study, CBC News, July 20, 2009
• Calculating the true cost of loyalty, Financial Post, July 25, 2009
• Loyalty Program: Costs and Criticism, BNN interview, September 9, 2009
• No, there is no such thing as free points, Toronto Star, October 1, 2009
• Management Briefing: Credit card reward schemes, The Times Online, October 6, 2009

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Teaching

MGT 3055 Summer 2009 Econometrics Methods in Marketing

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