This chapter reviews the literature on payment schemes for government purchases of health services. It focuses on four themes: (1) the tension between obtaining appropriate quality of services and keeping the cost of those services at an acceptable level; (2) the role of cost sharing by the...

The value of information is examined in a single-agent environment with unawareness. Although the agent has a correct prior about events he is aware of and has a clear understanding of his available actions and payoffs, his unawareness may lead him to commit information pro- cessing errors and...

This paper provides a set-theoretic model of knowledge and unawareness. A new property called Awareness Leads to Knowledge shows that unawareness of theorems not only constrains an agent's knowledge, but also, can impair his reasoning about what other agents know. For example, in contrast to Li...