Hierarchy and Market: The Mechanism of Policy Implementation According to policy analysts of liberal-economic perspective, such as Weimer vining (2005), there are two basic mechanisms in coordinating collective action into attaining societal objectives. One is through market mechanism and the other is state intervention. However, liot Ereidson contends that besides market and state, there is the third logic at work in public policy implementation process in modern society, namely professional power.According to policy analysts of liberal-economic perspective, such as Weimer & Vining (2005), there are two basic mechanisms in coordinating collective action into attaining societal objectives. One is through market mechanism and the other is state intervention. However, Eliot Freidson contends that besides market and state, there is the third logic at work in public policy implementation process in modern society, namely professional power. Hierarchy and Market: The Mechanism of Policy Implementation