We analyze the role of three aspects of HMO market structure -- HMO penetration, HMO plan concentration, and HMO for-profit share on explaining hospital cost and revenue growth during the HMO expansion period (1994-1999) and backlash period (2000-2005). We find that HMO penetration effects...

In the selective contracting era, consumer choice has generally been absent in most state Medicaid programs, including California's (called Medi-Cal). In a setting where beneficiary exit is not a threat, a large payer may have both the incentives and the ability to exercise undue market power,...

In this paper we take a historical perspective to examine the effects of managed care and hospital competition on hospital cost and revenue growth during managed care’s boom period (1990-1994), mature period (1995-1999), and backlash period (2000-2003). We find that while higher managed care...

type="main" xml:lang="en" <p>In light of the current economic crisis, we estimate hazard models of divorce to determine how state and national unemployment rates affect the likelihood of a divorce or separation. With data in the United States over the 1978–2008 period from the 1979 NLSY, we find...</p>

This study estimates the effect of deployment location and length on the risk of developing PTSD, relative to what it would be from the normal military operations. We use a random sample of activity-duty enlisted personnel serving between 2001 and 2006. We identify PTSD cases from TRICARE...