How will the private sector react to different governmental policies? What policies will produce the most desirable outcomes? These two volumes bring together major contributions to a new theory of macroeconomic policy that analyzes which policies are credible or politically feasible, topics that are central to the practical policy debate but that traditional theory cannot address. Instead of looking at policy as an end product, the contributors approach policy as an ongoing process of revised goals, changes in tactics, and political pressures. They consider what kinds of incentives, within different institutional settings, drive policymaking and the behavior of policymakers. This approach allows more informed answers to questions of which policies are credible and which are politically feasible. It explains why certain monetary and fiscal policies get implemented, and provides insights into situations that occur repeatedly in macroeconomic policy such as the bias toward...