Andrew Ching, PhD

Andrew Ching, PhD (University of Minnesota), is a full professor in the Carey Business School at the Johns Hopkins University, where he is also jointly appointed at the Department of Economics, and the Bloomberg School of Public Health.  He is the co-founder and Research Director of Digital Business Development Initiative (DBDI), a core faculty at Hopkins Business of Health Initiative (HBHI), and a faculty associate at Canadian Centre of Health Economics (CCHE).  Prior to joining Johns Hopkins University, he had faculty appointments at University of Toronto and Ohio State University.  He also held visiting professor appointments at UCLA, Cornell University, University of Wisconsin-Madison, National University of Singapore, HKUST, and Chinese University of Hong Kong (Distinguished Visiting Professor), and visiting scholar appointments at Harvard University, Peking University, Federal Reserve Bank of Boston, and Federal Reserve Bank of Kansas City.

He is currently serving as a member of editorial boards for Journal of Marketing Research, International Journal of Research in Marketing, Review of Marketing Science, and International Journal of Pharmaceutical and Healthcare Marketing, and a topic editor for Journal of Risk and Financial Management.  He is also serving on the Business Studies Panel of Hong Kong Research Grant Council.  Previously, he served as an Associate Editor for Management Science from 2014-2022, and a member of editorial board of Marketing Science from 2014-2021.

His research focuses on developing new empirical structural models and estimation methods to understand the forward-looking, strategic, learning, state dependence, and bounded rational behavior of consumers & firms under complex environments (incl. rational inattention, exploration-exploitation problems, etc.).  He has applied these techniques to study the demand for prescription drugs, nursing homes, new technology adoption decisions, choice of payment methods, information spillover, late-mover advantages, firm's adaptation of concept drifts, video games demand, consumer stockpiling, online support groups, and integrated marketing communication.  His latest research focuses on modeling how consumers and firms adaptively learn in a changing world using AI and machine learning tools.

He has received Young Economist Award from European Economic Association, Finalist of John Little Award, Honorable Mention of Dick Wittink Prize Award, and several major grants from the Social Sciences and Humanities Research Council (SSHRC).  He has also received the honor of Distinguished Visiting Professor at Chinese University of Hong Kong, and Distinguished Visiting Scholar at Peking University HSBC Business School.  His PhD students have received MSI Clayton Dissertation Proposal Award, and ISMS Dissertation Proposal Award.  His research articles are published in Econometrica, Marketing Science, Management Science, Journal of Marketing, Quantitative Marketing and Economics, Journal of Banking and Finance, International Economic Review, Journal of Applied Econometrics, International Journal of Industrial Organization, Journal of Choice Modelling, and Journal of Medical Internet Research.

Education

• Ph.D., Economics, University of Minnesota
• MA, Economics, University of Minnesota
• MA, Economics, University of British Columbia
• BA, Economics, Australian National University

Research

Selected publications

• "How Does a Firm Adapt in a Changing World? The Case of Prosper Marketplace" (with Xinlong Li), Marketing Science, vol.43(3), pp.673-693, 2024.
• "A Heuristic Approach to Explore: Value of Perfect Information" (with Shervin Shahrokhi Tehrani), Management Science, vol.70(5), pp.3200-3224, 2024.
• “Does Bad Medical News Reduce Preferences for Generic Drugs?” (with Manuel Hermosilla) Journal of Marketing, vol.88(1), pp.160-178, 2024.
• “Quantifying the Zero-Price Effect in the Field: Evidence from Swedish Prescription Drug Choices” (with David Granlund and David Sundström) Journal of Association for Consumer Research, vol.7(2), pp.175-185, 2022.
• “Identification and Estimation of Forward-looking Behavior: The Case of Consumer Stockpiling,” (with Matthew Osborne) Marketing Science, vol.39(4), pp.707-726, 2020.
• “A Structural Model of Correlated Learning and Late-mover Advantages: The Case of Statins,” (with Hyunwoo Lim), Management Science, vol.66(3), pp.1095-1123, 2020.
• “Dynamic Demand for New and Used Durable Goods without Physical Depreciation: The Case of Japanese Video Games,” (with Masakazu Ishihara), Marketing Science, vol.38(3), pp.392-416, 2019.
• “The Effects of Publicity on Demand: The Case of Anti-cholesterol Drugs” (with Robert Clark, Ignatius Horstmann and Hyunwoo Lim), Marketing Science, vol.35(1), pp.158-181, 2016.
• “Quantifying the Impacts of Limited Supply: The Case of Nursing Homes,” (with Fumiko Hayashi and Hui Wang), International Economic Review, vol.56(4), pp.1291-1322, 2015.
• “Dynamics of Consumer Adoption of Financial Innovation: The Case of ATM Cards,” (with Botao Yang), Management Science, vol.60(4), pp.903-922, 2014.
• “A Dynamic Oligopoly Structural Model for the Prescription Drug Market After Patent Expiration,” International Economic Review, vol.51(4), pp.1175-1207, 2010.
• “Bayesian Estimation of Dynamic Discrete Choice Models,” (with Susumu Imai, and Neelam Jain) Econometrica, vol.77(6), pp.1865-1899, 2009. 
• “The Price Consideration Model of Brand Choice,” (with Tülin Erdem, and Michael Keane), Journal of Applied Econometrics, vol.24(3), pp.393-420, 2009.

Teaching

Current

• Customer Analytics
• Health Marketing and Access

Honors and distinctions

• Associate Editor for Management Science, since 2014.
• Guest Associate Editor for Marketing Science, special issue of Marketing Science on Health, 2017-18.
• Guest Associate Editor for Marketing Science, special issue of Consumer Protection, 2017-18.
• Guest Associate Editor for Journal of Marketing Research, 2010, 2011.
• Member of the Editorial Review Board of Marketing Science, Journal of Marketing Research, and International Journal of Pharmaceutical and Healthcare Marketing.
• American Economic Review, Excellence in Refereeing Award, 2016, 2018.
• International Journal of Industrial Organization, Excellence in Reviewing, 2015.
• Honorable Mention of Dick Wittink Prize Award, 2011.
• Young Economist Award, European Economic Association, 2003.
• Rotman School of Management Teaching Award for Big Data and Marketing Analytics (Undergrad, 2017), Pricing (MBA, 2012).