Dr. Chetty received his Ph.D. from the University of Wisconsin, Madison and has been a professor of economics at Columbia University and the Indian Statistical Institute, New Delhi. He has been a consultant to the United Nations and the World Bank. He has published extensively in both economics and statistics. In economics, his research has focused on health economics, mathematical models of economics, monetary economics, production theory, microeconomic theory of rationing, econometrics and economic development. In statistics, he has published papers on prediction and decision problems both from frequentist and Bayesian points of view. He has developed medical decision rules taking costs into account. He has trained a number of Ph.D. students in economics. His students are working in various institutions such as Harvard University, London School of Economics, the World Bank and the United Nations. One of his advisees and a co-author, Professor James Heckman of the University of Chicago, was awarded the Nobel Prize in economics in 2000. Dr. Chetty was awarded the Mahalnobis Memorial Medal for his outstanding contributions to quantitative economics. He is currently working on cost-effective management of diabetes using sequential statistical methods and complex adaptive systems approaches. He is also currently involved in projects related to medical errors, patient safety, shared care and quality improvement for chronic disease. He has extensive experience in linear, logistic regression and survival models.
His roles in this project include oversight of all aspects of the data quality and data analysis. He tracks intervention use data and patterns of use of different parts of the system. He is also is responsible for the statistical and cost effectiveness analysis.
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