The primary emphasis of my work has been applications-driven empirical research in the areas of information systems economics and healthcare informatics. My research has an inter-disciplinary focus that spans multiple disciplines including management science, information systems, and operations management. My research interests can be classified into two primary areas:
- Role of IT in Enabling Healthcare Delivery and Patient Care
- Business Value and Productivity Impact of Information Technology
Google Scholar h-index = 19 with more than 1,900 citations.
Role of IT in Enabling Healthcare Delivery and Patient Care:
A recent research focus is in the measurement of the role of health information technologies and their impact on healthcare delivery and patient outcomes. My research focuses on four research themes:
- Estimation of the impact of health IT on cost and process quality of healthcare delivery.
- Development of new predictive models for predicting the propensity and timing of patient readmissions due to congestive heart failure
- Estimation of the impact of health IT on patient readmission risk in order to determine optimal length of stay, and
- Development of new econometric models to better understand patient switching behavior and estimate the impact of patient switching across hospitals on duplication rates of tests associated with outpatient visits.
- Information Technology and Quality and Cost of Healthcare: A Longitudinal Study of US Hospitals. Decision Support Systems May 2013, Vol. 55, No. 2, pp. 438-449 (with M. Thouin).
- A Predictive Model for Readmissions of Patients with Congestive Heart Failure: A multi-hospital study. Information Systems Research (with J-h. Oh, K. Kirksey, Z. Zheng), Vol. 26, No. 1, March 2015, pp. 19-39.
- Quicker and Sicker? Length of Stay and Readmission Risk for Congestive Heart Failure Patients. Revise and Resubmit, Production and Operations Management . Proceedings of the Seventeenth INFORMS Conference on Information Systems and Technology, Phoenix, AZ, October 13-14, 2012. Also, presented at the Third Annual Workshop on Health Information Technology and Economics, October 2012, Washington DC (with with J.H. Oh, K. Kirksey, Z. Zheng).
- Patient Migration and Duplicate Procedures: A Longitudinal Study of Congestive Heart Failure Patients in Texas. Presented at the INFORMS Annual Conference, October 2012, Phoenix, AZ, and at the Second INFORMS Healthcare Conference, Chicago, IL, June 2013 (with S. Ayabakan, K. Kirksey, Z. Zheng)
- Can Health Information Sharing Reduce Duplicate Testing? A Longitudinal Analysis of Patient Switching Behavior across Multiple Hospitals (with Sezgin Ayabakan, Kirk Kirksey, and Eric Zheng). Revise and Resubmit, MIS Quarterly. Presented at the UT Clinical Safety and Effectiveness Conference, San Antonio, TX, September 2013. Fourth Annual Workshop on Health Information Technology and Economics, November 2013, Washington DC. Presented at the Texas HIMSS Regional Conference, April 2014, Dallas.
- Hospital Characteristics and Meaningful use of Health Information Technology. Revise and Resubmit, Production and Operations Management . Presented at the Second INFORMS Healthcare Conference, Chicago, IL, June 2013 (with J. Li).
- Healthcare Outcomes, Information Technology, and Medicare Reimbursements: A hospital-level analyses (with Danish Saifee), Under review, Journal of Management Information Systems.
Business Value and Productivity Impact of Information Technology:
Recent papers that I have published in this domain fall into one of the following research streams:
- Firm-level IT Productivity Studies.
- Process- and Project-level Studies on IT Impact.
- IT-enabled Manufacturing Capabilities and Plant Profitability: New mechanisms and evidence (with S. Ayabakan and Z. Zheng). 2014. Conditionally accepted at MIS Quarterly.
- Business Value of Information Technology: Testing the Interaction Effect of IT and R&D on Tobin's Q. Information Systems Research, December 2013, Vol. 24, No. 4, pp. 1147-1161.
- Information Technology and Firm Profitability: Mechanisms and Empirical Evidence. MIS Quarterly. March 2012, Vol. 36, No. 1, pp. 205-224. Winner of the CIONET European Research Paper of the Year Award, 2013.
- The Benefits of IT Investments: How CEOs should allocate their Discretionary Spending. MIT Sloan Management Review, Spring 2012, Vol. 53, No. 3.
- Team Dispersion, Information Technology, and Project Performance. Production & Operations Management, November-December 2013, Vol. 22, No. 6, pp. 1478-1493.
- The Impact of IT-enabled Manufacturing Capabilities on Plant Profitability: New mechanisms and evidence. Under 3rd round review at MIS Quarterly.
- Project Performance and the Enabling Role of Information Technology: An Exploratory Study on the Role of Alignment. INFORMS Manufacturing & Service Operations Management, Fall 2007, Vol. 9, No. 4, pp. 579-595.