RWJ -- Cost-sharing: Effects on spending and outcomes

Specific questions that guide this synthesis are:

1. What are the effects of cost-sharing on the distribution of spending and total spending?
2. What are the effects of increased cost-sharing on health outcomes?
3. How do responses to cost-sharing differ by socioeconomic factors and health status?
4. What is the effect of cost-sharing on different types of services?
5. What are the effects of increased cost-sharing for prescription drugs?