David Easton had identified four kinds of inputs in terms of demands. What are they?
1
Allocation of goods and services, Regulation of behaviour, Participation in the economic system, Communication and information
2
Regulation of behaviour, Participation in the political system, Allocation of goods and services, Communication and information
3
Communication and information, Participation in international system, Allocation of goods and services, Regulation of behaviour
4
Participation in social system, Allocation of goods and services, Communication and information, Regulation of behaviour