Absolute gain (International Relations)
Encyclopedia
As a part of liberal international relations theory
Liberal international relations theory
Unlike realism where the state is seen as a unitary actor, liberalism allows for plurality in state actors. Thus, preferences will vary from state to state, depending on factors such as culture, economic system or government type...

, absolute gain is a term used to describe how (primarily) states will act in the international community. The theory says that international actors will look at the total effect of a decision on the state or organization and act accordingly. The international actor's interests not only include power ratios but also encompass the economic and cultural effects of an action as well. The theory is also interrelated with a non-zero-sum game which proposes that through use of comparative advantage
Comparative advantage
In economics, the law of comparative advantage says that two countries will both gain from trade if, in the absence of trade, they have different relative costs for producing the same goods...

, all states who engage in peaceful relations and trade can expand wealth.

This differs from theories that employ relative gain
Relative gain (international relations)
Relative gain, in international relations, describes the actions of states only in respect to power balances and without regard to other factors, such as economics. In international relations, cooperation may be necessary to balance power, but concern for relative gains will limit that cooperation...

, which seeks to describe the actions of states only in respect to power balances and without regard to other factors, such as economics. Relative gain is related to zero-sum game, which states that wealth cannot be expanded and the only way a state can become richer is to take wealth from another state.
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