The traditional Medicare fee-for-service program may be able to purchase clinical laboratory test services at a lower cost through competitive bidding. Demonstrations of competitive bidding for clinical laboratory tests have been twice mandated or authorized by Congress but never implemented....

This article reports on a study that exploits cross-sectional variation on copayment structures among firms with a self-insured retiree health plan to measure the impact of the number of copayment tiers on total and enrollee drug payments, number of prescriptions filled, and generic...