Contemporary Western political culture is characterized by three achievements and ideas: (1) the limitation of government or the rule of law; (2) some institutional separation of the economy and of science from government and religion; and (3) popular participation or democracy. The first two...

A spatial theory of the comparative consequences of unified and divided government clarifies the relationship between institutions, partisanship and gridlock. Under formally specified conditions, executive and legislative institutions are shown to inhibit but not prohibit the convergence of...