Baris Ata, Professor of Operations Management, takes a problem-driven approach to bridge the theory and practice of operations management. He has used stochastic models to study delivery of health care services, sustainable operations, management of manufacturing and service operations, and revenue management. His current research interests also include operational issues in the criminal justice system and the logistical challenges in the last-mile delivery problems in Africa His research has been recognized by the Best Paper in Service Science Award, INFORMS (2009) and William Pierskalla Best Paper Award, INFORMS (2015). He is a recipient of Manufacturing and Service Operations Management Young Scholar Prize, INFORMS (2015).
Prior to joining Booth, Ata was a faculty member at Kellogg School of Management at Northwestern University for ten years, where he taught Operations Management, Operations Strategy, and Analytical Decision Modeling with Spreadsheets. Ata received his Ph.D. degree in Operations, Information, and Technology from the Graduate School of Business at Stanford University in 2003. Prior to his academic career, he worked for McKinsey & Co.
Ata serves as the Editor for the Stochastic Models and Simulation Department of Management Science. He has also served as an Associate Editor for Mathematics of Operations Research, Operations Research, Management Science, Manufacturing & Service Operations Management and Stochastic Systems.
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REVISION: On Hospice Operations Under Medicare Reimbursement Policies
This paper analyzes the United States Medicare hospice reimbursement policy. The existing policy consists of a daily payment for each patient under care with a global cap of revenues accrued during the Medicare year, which increases with each newly admitted patient. We investigate the hospice’s expected pro?t and provide reasons for a spate of recent provider bankruptcies related to the reimbursement policy; recommendations to alleviate these problems are given. We also analyze a hospice’s incentives for patient management, ?nding several unintended consequences of the Medicare reimbursement policy. Speci?cally, a hospice may seek short-lived patients (such as cancer patients) over patients with longer expected length-of-stay and the e?ort with which they seek-out, or recruit, such patients will vary during the year. Further, the e?ort they apply to actively discharge patients whose condition has stabilized may also depend on the time of year. These phenomena are unintended and ...
New: The Value of Partial Resource Pooling: Should a Service Network Be Integrated or Product-Focused?
We investigate how network design impacts capacity requirements and responsiveness, which is a natural performance indicator of quality of service. Inspired by the contrasting network design approaches of FedEx and UPS, we study when two service classes (e.g., express or regular) should be served by dedicated resources (e.g., air or ground) or by an integrated network. We present analytic expressions for the delay distributions and the network integration value, which show how the value of ...
New: Harvest: Organic Waste Recycling with Energy Recovery (B)
This case describes the waste management industry and a clean technology solution for landfill diversion and renewable energy production. The (A) case focuses on the operational characteristics of waste management and waste to energy, and the characteristics of the waste management industry. The intent of the (A) case is to have students perform operational analysis on the organic waste to energy process to evaluate whether a potential new plant is economically feasible and attractive. The (B) ...
New: Harvest: Organic Waste Recycling with Energy Recovery (A)
This case describes the waste management industry and a clean technology solution for landfill diversion and renewable energy production. The (A) case focuses on the operational characteristics of waste management and waste to energy, as well as the characteristics of the waste management industry. The intent of the (A) case is to have students perform operational analysis on the organic waste to energy process to evaluate whether a potential new plant is economically feasible and attractive ...