Policy implementation studies are a relatively new area of study. Within the three stages of the process of public policies, implementation has proved its main relevance for the success or failure of the policy. During this stage, the policy could be obstructed or even deviated from. In fact, it is not unusual to find a gap between the original objectives of a policy and its final outcomes. The book reviews the existing theoretical literature on implementation and evaluates to what extent the theoretical frameworks -from top-down, bottom-up or hybrid perspectives- are useful for explaining...