"This paper investigates the impact of Medicare HMO penetration on the medical care expenditures incurred by Medicare fee-for-service enrollees. We find that increasing penetration leads to reduced health care spending on fee-for-service beneficiaries. In particular, a one percentage point...

This paper investigates the impact of Medicare HMO penetration on the medical care expenditures incurred by Medicare fee-for-service enrollees. We find that increasing penetration leads to reduced health care spending on fee-for-service beneficiaries. In particular, a one percentage point...

Insurance plan design has important implications for consumer welfare. In this paper, we model insurance design in the Medicare prescription drug coverage market and show that strategic private insurer incentives impose a fiscal externality on the traditional Medicare program. We document that...

Objective: To compare medical care costs and utilization in a consumer directed health plan (CDHP) to other health insurance plans. Study Design: We examine claims and employee demographic data from one large employer that adopted a CDHP in 2001. A quasi-experimental pre/post design is used to...

Insurance plan design has important implications for consumer welfare. In this paper, we model insurance design in the Medicare prescription drug coverage market and show that strategic private insurer incentives impose a fiscal externality on the traditional Medicare program. We document that...

Much of the health care insurance coverage available in the United States is offered in the context of plan choice. An understanding of how to predict individuals' choice of health plans is instrumental in understanding and managing these markets. In addition, choice of plans is a key component...