This paper examines whether there is variation by worker income on how an HSA-eligible health plan affects health care services use and spending. Does the typically flat-dollar gap between a health plan's deductible and the employer contribution to a health savings account (HSA) have a bigger...

This paper reports use of health care services related to health care quality over five years among over 18,000 individuals from a single large employer in the Midwestern United States that adopted an HSA-eligible health plan for all employees. It represents one of the longest observation...

"Professional partnerships might facilitate matching between specialized professionals and heterogeneous consumers, particularly where matching across firms is limited by information, incentives or regulation. We examine the extent to which internally-differentiated medical groups promote...

Theory indicates that internally-differentiated professional partnerships can promote matching between heterogeneous consumers and professionals, particularly when consumers have imperfect information or markets have barriers to referrals between firms. We test this in obstetrics markets,...