In the perspective of the system, the political system is a subsystem of
the social system. Perspective or approach of looking at the whole system of
interactions that exist in a system that is a relative unit separate from its environment
and has a relatively fixed relationship between its elements. Political life
from the perspective of the system can be viewed from different angles, such as
the emphasis on institutional we can look at the structure of the relationship
between the various agencies or institutions forming the political system. The
relationship between the various state agencies such as the center of political
power is one aspect, whereas the role of political parties and pressure groups
are another part of the political system. By changing the point of view of the
political system can be seen as a political culture, political institutions,
and political behavior.
Political system model will describe the simplest inputs (input) into the political system, that change through the political process into outputs (output). In this model, the input is usually associated with the support and the demands that must be processed by the political system through a variety of decisions and public services diberian by the government to be able to produce prosperity for the people. In this perspective, the effectiveness of the political system is its ability to create wealth for the people.
However, keeping in mind it is not uncommon Machiavelli political system effectiveness measured by its ability to defend itself from the pressure to change. This view does not distinguish between a democratic political system and an authoritarian political system.
