In health care systems with a competitive health insurance market, governments or other sponsors (e.g. employers) often subsidize premiums to encourage enrolment. These subsidies are typically independent of plan choice leaving the absolute premium differences in place so as not to distort...

We analyze health care option demand markets with vertical restraints divided along two dimensions: naked and conditional exclusion, and vertical integration; applicable to the upstream, the downstream, and both markets. Our unified framework includes forward and backward integration, and joint...