The US Constitution recognizes the president as the sole legal head of the executive branch. Despite this constitutional authority, the president's actual control over administration varies significantly in practice from one president to the next. Presidential Control over Administration provides a new approach for studying the presidency and policymaking that centers on this critical and often overlooked historical variable. To explain the different configurations of presidential control over administration that recur throughout history--collapse, innovation, stabilization, and constraint--O'Brien develops a new theory that incorporates historical variation in a combination of key restrictions such as time, knowledge, and the structure of government as well as key incentives such as providing acceptable performance and implementing preferred policies. O'Brien then tests the argument by tracing the policymaking process in the domain of public finance across nearly a century of history,
