I look at prevention through an economic lens and make three main points. First, those advocating preventive measures are often asked how much money a given measure saves. This question is misguided. Rather preventive measures can be thought of as insurance, with a certain cost in the present...

I describe several changes to Medicare in the 1990s, their rationale, and their likely effects. I focus principally on issues in the administered price systems Medicare uses to pay medical providers, especially those used for post-acute care providers, Health Maintenance Organizations (HMOs),...