I. Realism
Key actors: states
Dominant human drive(s): Fear, desire to dominate
Actors’ primary goals: power or security
Actor’s dominant instrument(s): military power
Dominant processes of interaction: competition
Dominant structural feature of international system: hobbesin anarchy
Dominant bodies of theory: balance-of-power theory; theories of hegemonic transition and hegemonic war
II. Liberalism
Key actors: states, nonstate actors
Dominant human drive(s): fear, desire to live well
Actors’ primary goals: welfare, justice, security
Actor’s dominant instrument(s): military power, trade, investment, negotiation, persuasion
Dominant processes of interaction: competition and cooperation
Dominant structural feature of international system: non-hobbesian anarchy
Dominant bodies of theory: neoliberal constitutionalism; “Democratic Peace”
III. Marxism
Key actors: economic classes
Dominant human drive(s): greed
Actors’ primary goals: capital-owning class seeks to maximize profit; working class seeks fair wages and working conditions
Actor’s dominant instrument(s): wealth for capital owning class, labor for working class
Dominant processes of interaction: exploitation
Dominant structural feature of international system: economic inequality
Dominant bodies of theory: dependency theory; theories of revolution
IV. Constructivism
Dominant human drive(s): need for orderly, meaningful social life
Actors’ primary goals: actors’ interests are socially constructed through interaction
Actor’s dominant instrument(s): depends on historical period and social context
Dominant processes of interaction: depends on historical period and social context
Dominant structural feature of international system: social constraints (laws, rules, norms, taboos)
Dominant bodies of theory: structuration; theories of norm evolution