This document provides an overview of public policy analysis. It discusses definitions of public policy, typologies of public policy, why governments intervene in markets, models of the policy process, and approaches to policy analysis. The key points are:
1) Public policy is defined in various ways but generally refers to courses of action by governments to address issues of public concern.
2) Public policy can be categorized in typologies such as patronage/promotional, regulatory, and redistributive policies.
3) Governments intervene in markets when societies desire certain goods like healthcare but the free market does not adequately provide them, or when markets fail due to issues like externalities, information problems, or barriers to entry.