Reseach

My current research focuses on Big Data in healthcare, health IT, patient empowerment, and quality transparency mechanisms, including online rating systems, quality certification and quality disclosure decisions. 

Selected Working Papers

  • Unraveling the “Social” in Social Norms: The Conditioning Effect of User Connectivity (with Chewei Liu and Ritu Agarwal)
  • How Digital Word-of-Mouth Affects Consumer Decision Making: Evidence from a Natural Experiment (with Aishwarya Shukla and Ritu Agarwal, http://ssrn.com/abstract=2778683)
  • "Mobile Messaging for Offline Social Interactions: a Large Field Experiment" (with Tianshu Sun and Ginger Jin), Under review  (Best Conference Paper Award at Informs/CIST 2015, NBER working paper http://www.nber.org/papers/w21704)

  • "Cost Analysis of Reducing Unnecessary Cranial Computed Tomography Utilization among Children with Minor Blunt Head Trauma", (with Shireen Atabaki, Jiban Khunthia, Ritu Agarwal, James Chamberlain, Roger Ziegler, and Brian Jacobs), under review.

Refereed Publications

  • "A tale of two countries: International comparison of online doctor reviews between China and the United States" (with Haijing Hao, KZ Zhang, and Weiguang Wang), International Journal of Medical Informatics, 2017
  • “The Creation of Social Value: Can an Online Health Community Reduce Rural-Urban Health Disparities?”  (with JM Goh and Ritu Agarwal),  MIS Quarterly, 2016
  • “Vocal Minority and Silent Majority: How Do Online Ratings Reflect Population Perceptions of Quality?”  (with Brad Greenwood, Jeff McCullough and Ritu Agarwal),  MIS Quarterly, 2015
  • "Life Is All about Timing: An Examination of Differences in Treatment Quality for Trauma Patients Based on Hospital Arrival Time" (with David Anderson and Bruce Golden), Production and Operations Management, 23(12) pp2178-2190. doi:10.1111/poms.12236, 2014
  • "Website Ratings of Physicians and Their Quality of Care" (with Bradley Gray,  Jonathan Vandergrift, J. L., Jeff McCullough,  & Rebecca Lipner. JAMA Internal Medicine, 12–14. doi:10.1001/jamainternmed.2014.6291, 2014

  • “Information Technology and Voluntary Quality Disclosure by Hospitals”, (with Agarwal, R., Angst, C., Khuntia, J., and McCullough, J.), Decision Support Systems, 2014
  • “The Value of Trust Seals in Online Retailing” (with Koray Ozpolat, Wolfgang  Jank, and Siva Viswanathan), Information Systems Research, 2013 (Dingman Center Best Paper Award) 
  • “A Changing Landscape of Physician Quality Reporting: Analysis of Patients’ Online Ratings of Their Physicians Over a 5-Year Period”, (with McCullough, J., Agarwal, R., and Jha, A.) Journal of Medical Internet Research, 2012;14(1):e38 (Impact factor: 4.7, ranked #1 in Medical Informatics, and #2 in Health Sciences/Health Services Research) 

  • “Information Technology and Trademarks: Implications for Product Variety” (with Lorin Hitt), Management Science, 2012 (an earlier working paper version won the first runner up of Best Overall Paper Award at ICIS)

  • “Evolving Work Routines: Adaptive Routinization of Information Technology in Healthcare” (with JM Goh and Ritu Agarwal),  Information Systems Research,2011 (finalist for the Diana Forsythe Award at AMIA, 2012)

  • “The Contingent Effects of Quality Signaling: Evidence from the Indian Offshore IT Services Industry” (with Anand Gopal and Ritu Agarwal), Management Science, 2010

  • “The Digital Transformation of Healthcare: Current Status and the Road Ahead" (with Ritu Agarwal, Catherine DesRoches, and Ashish Jha), Information Systems Research2010

  • “Are consumers more likely to contribute online reviews for hit products or niche products?” (with Chris Dellarocas and Ritu Narayan), Journal of Management Information Systems, 2010

  • “Certification in the Indian ITS Offshoring Industry” (with Anand Gopal), Manufacturing and Service Operations Management (MSOM), 2009

  •  The Maturing Chinese Offshore IT Services Industry: It Takes 10 Years to Sharpen a Sword” (with Erran Carmel and Ning Zhang), MIS Quarterly Executive, 2008

    (reprinted in the book "China's Emerging Outsourcing Capabilities", edited by Mary C. Lacity and Leslie P. Willcocks and Yingqin Zheng, to be published by Palgrave Macmillan, 2010) 

  • “Consumer informedness and diverse consumer purchasing behaviors: Traditional mass-market, trading down, and trading out into the long tail” (with Eric Clemons), 2007, Electronic Commerce Research and Applications.

  • “When Online Review Meets Hyperdifferentiation: a Study of Craft Beer Industry” (with Eric Clemons and Lorin Hitt), Fall 2006, Journal of Management Information Systems .

 
Selected Conference papers (not often updated)
  • "Vocal Minority and Silent Majority: How do Online Ratings Reflect Population Perceptions of Physician Quality?" (with Brad Greenwood, Jeff McCullough, and Ritu Agarwal), AcademyHealth annual research meeting, 2013, Baltimore, MD

  • "A Changing Landscape of Physician Quality Reporting: Analysis of Patients’ Online Ratings of Their Physicians" (with Jeff McCullough, Ritu Agarwal, and Ashish Jha), Medicine 2.0 Conference at Harvard Medical School, 2012

  • "A Digital Soapbox? The Information Value of Online Physician Ratings" (with Brad Greenwood, Jeff McCullough and Ritu Agarwal), American Society for Health Economists 4th Biennial Conference (Ashecon), 2012

  • “The Information Value of Online Physician Ratings” (with Brad Greenwood, Jeff McCullough and Ritu Agarwal), 28th Annual Human-Computer Interaction Lab (HCIL) Symposium, 2011

  • “Biases of Online Doctor Ratings” (with Brad Greenwood, Jeff McCullough and Ritu Agarwal), Informs Healthcare Conference2011

  • “IT Automation and Efficiency in healthcare” (with Ravi Aron and Praveen Pathak), Conference on Information Systems and Technology (CIST), 2011

  • “A Preliminary Study on Doctor Ratings Online” (with Brad Greenwood, Jeff McCullough and Ritu Agarwal), Workshop on Information Systems Economics (WISE),2010

  • “The landscape of Doctor Ratings” (with Jeff McCullough and Ritu Agarwal), 27th Annual Human-Computer Interaction Lab (HCIL) Symposium2010

  • “eBay reputation mechanism” (with Shun Ye and Siva Viswananthan), Proceedings of the 30th International Conference on Information Systems (ICIS), 2009

  • “The Moderating Factors in Quality Signal” (with Anand Gopal and Ritu Agarwal), Conference on Information Systems and Technology, 2009

  • "Revoking and Moral Hazard on eBay: An Empirical Investigation" (with Shun Ye and Siva Viswananthan), Workshop on Information Systems Economics (WISE),  2009,

  • "Unpacking the Health IT adoption paradox" (with Jeff McCullough, Ritu Agarwal and Corey Angst), Workshop on Information Systems Economics (WISE), 2009

  • "Health IT's impact on hospital efficiency and quality" (with JM Goh and Ritu Agarwal), International Health Economics Association Conference (iHEA), 2009

  • “The Impact of Clinical Documentation System: A Routines Perspective.” (with JM Goh, and Agarwal, R.) INFORMS Annual Meeting, San Diego, Oct, 2009.

  • “Online Health Communities on Patients with Rare Disease.” (with JM Goh, and Agarwal, R.) Fifth Symposium on Statistical Challenges in Electronic Commerce Research (SCECR), Carnegie Mellon University, Pittsburgh, May, 2009.

  • “The Impact of a Computerized Documentation System on Clinical Routines in a Pediatrics Hospital.” (with Agarwal, R., JM. Goh, Jacobs, B., Manicone, P., and Corriveau, C.) American Medical Informatics Association Spring Congress, Orlando, May 28-30, 2009.

  • “Implementation of a Computerized Clinical Documentation System (CCDS) in a Tertiary Care Pediatric Medical Center: A Longitudinal Survey of Users.” (with Manicone, P.,Corriveau, C., Agarwal, R., Goh, J. and Jacobs, B.) Pediatrics Academic Societies’ Annual Meeting, Baltimore, May 2-5, 2009.

  • “Time Motion Analysis of Consultations in a Pediatric Tertiary Care Medical Center Before and After Implementation of a Computerized Clinical Documentation System (CCDS).” (with Agarwal, R., Jacobs, B., Gao, G., Corriveau, C. and Manicone, P.) Pediatrics Academic Societies’ Annual Meeting, Baltimore, May 2-5, 2009.

  • “How Does CMM Certification Create Value?  Service Diversification, Location, and Competition in the Indian Software Exports Industry” (with Anand Gopal and Ritu Agarwal), Workshop on Information Systems Economics (WISE), Paris, France, 2008

  • “The Long Tail is Longer Than You Think”, (with Joseph Bailey and Hank Lucas), Workshop on Information Systems Economics (WISE), Paris, France, 2008

  • "The Value of Trust Seals in Online Commerce" (with Ozpolat, K., Jank W., Vishwanathan S.), Decision Science Conference, Baltimore, 2008

  • “Revealing Yourself Online: Quality Disclosure in California Hospitals” (with Ritu Agarwal, Corey Angst, Adams Dudley and Jiban Khuntia), presented at the Workshop on Information Systems Economics (WISE) 2007, Montreal, Canada.

  • “Quality Certification as Signal” (with Anand Gopal), presented at the Workshop on Information Systems Economics (WISE) 2007, Montreal, Canada

  • “To CMM or Not to CMM? Antecedents and Consequences of CMM Certification in the Indian Offshore Industry” (with Anand Gopal), Proceedings of the 28th International Conference on Information Systems (ICIS), Montreal, Canada (acceptance rate: 21%), 2007

  • “The Long Tail of Online Retailing”, with Joe Baily, Wolfgang Jan, Mingfeng Lin, Hank Lucas, and Siva Viswanathan, the 2007 Statistical Challenges in eCommerce conference at Connecticut.

  • “Consumer informedness and diverse consumer purchasing behaviors: Traditional mass-market, trading down, and trading out into the long tail” (with Eric Clemons), presented at the Workshop on Information Systems Economics (WISE) 2006 (acceptance rate: 34%)

  • “The Dynamics of Online Reviews” (with Bin Gu and Mingfeng Lin), presented at the Workshop on Information Systems Economics (WISE) 2006 (acceptance rate: 34%), 2006

  •  “When Online Review Meets Hyperdifferentiation: a Study of Craft Beer Industry” (with Eric Clemons and Lorin Hitt), 39th Hawaii International Conference on System Sciences (HICSS), 2006; and Workshop on Information Systems Economics (WISE) 2004

  • “IT and Product Variety: Evidence from Panel Data” (with Lorin Hitt), Proceedings of the 25th International Conference on Information Systems (ICIS), Washington DC, 2004 (acceptance rate: 16%), 1st Runner-up for Best Overall Paper Award.

  • “How Product Variety Influences Firm Performance and JIT adoption” (with Gerard Cachon and Lorin Hitt), INFORMS Annual Meeting, Denver, 2004

  • “The Economics of Telecommuting: Theory and Evidence” (with Lorin Hitt), Proceedings of the 24th International Conference on Information Systems (ICIS), Seattle, 2003