Recent legislations directed Medicare to revamp its decades-old system for reimbursing dialysis treatments, with focus on the risk adjustment of payments and on the transition toward a pay-for-compliance system. To design an optimal payment system that incorporates these features, we develop an...

Applying concepts from partial identification to the domain of finite population sampling, we propose a method for interval estimation of a population mean when the probabilities of sample selection lie within a posited interval. The interval estimate is derived from sharp bounds on the Hajek...

Paper available from https://journals.sagepub.com/doi/full/10.1177/2381468318809373Health Savings Accounts (HSAs) are tax-advantaged savings accounts available only to households with high-deductible health insurance. This paper provides initial answers to two questions: 1) How should a...