We use data from several national employer surveys conducted between the late 1980s and the mid-1990s to investigate the effect of state-level underwriting reforms on HMO penetration in the small-group health insurance market. We identify reform effects by exploiting cross-state variation in the...

This study analyzes health plan choices of retirees in an employer-sponsored health benefits program that resembles "premium support" models proposed for Medicare. In this program, out-of-pocket premiums depend on when an individual retired and his or her years of service as of that date. Since...

The State Children's Health Insurance Program (SCHIP) significantly expanded public insurance eligibility and coverage for children in "working poor" families. Despite this success, it is estimated that over 6 million children who are eligible for public insurance remain uninsured. An important...

Using data from the 1987 to 1996 March Current Population Surveys we find no evidence for the conventional wisdom' that the imposition of pure community rating leads to an adverse selection death spiral.' Specifically, the percentage of individuals in small groups covered by health insurance did...

In both its costs and the number of its enrollees, Medicaid is the largest means-tested transfer program in the United States. It is also a fundamental part of the health care system, providing health insurance to low-income families, indigent seniors, disabled adults and, in some states,...

Many opioid control policies target the prescribing behavior of health care providers. In this paper, we study the first comprehensive state-level policy requiring providers to access patients' opioid history before making prescribing decisions. We compare prescribers in Kentucky, which...

We examine how a key provision of the Affordable Care Act--the expansion of Medicaid eligibility--affected health insurance coverage, access to care, and labor market transitions of unemployed workers. Comparing trends in states that implemented the Medicaid expansion to those that did not, we...

The central role that employers play in financing health care is a distinctive feature of the U.S. health care system, and the provision of health insurance through the workplace has important implications well beyond its role as source of health care financing. In this paper, we consider the...

This study examines the effect of price on the demand for health insurance by early retirees between the ages of 55 and 64. The analysis is based on administrative data from a medium sized employer and takes advantage of a natural experiment created by the firm's health insurance contribution...

Do urban hospital closures affect health care access or health outcomes? We study closures in Los Angeles County between 1997 and 2003, through their effect on distance to the nearest hospital. We find that increased distance to the nearest hospital shifts regular care away from emergency rooms...