level of analysis

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Up to the subatomic level, models in physics are relatively small. Only little equations are needed to explain the totality of the world. However, it is not possible to explain international relations in the same matter, since the complexity of world politics cannot be accurately modeled. When seeking causality for a phenomenon in international relations, it is studied through lenses of different theories to find the most accurate set of explanations. It is of similar importance to consider that these explanations can be categorized into three levels. These levels offer a framework for analysis by looking at the international system, states, and individual actors and it is important that we consider all levels of analysis when thinking theoretically about international relations.

Each level offers a distinct set of explanations for a phenomenon. Looking at the sum of these makes it possible to determine whether an explanation, proposed on only one level, is logically consistent and significant enough to provide causality for an issue, or whether a combination of explanations from more than one level is needed to find a conclusive answer.

The international system as a level of analysis is an important tool when thinking about international relations, since it incorporates the totality of interactions that take place within a system.

During the rise of behavioralism and realism, international politics was conceptualized as a system, comparable to the solar system. This conceptualization is based on the assumption that the system is composed of units that act in patterned, largely habitual ways and that they impact each other with their actions. Similar to other systems, a change in one of its units causes change in other...

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...tages is one of its largest weaknesses at the same time, in my opinion. When the focus lies on the totality of the system, generalizations lead to the assumption of great behavioral uniformity among the systems actors and their relationships. While it seems logical that most states seek to preserve what is in their national interest, it is important and necessary to consider that states might differ in their intention to preserving that interest, or simply in what they consider to be their national interest, for example. Disregarding the relevance of variation among states could lead to imprecise assumptions about the systems actors and could raise questions about the explanatory capability of this level of analysis.

[1] Karen A. Mingst, Ivan M. Arreguín –Toft. Essentials of International Relations (New York: W. W. Norton & Company, Inc., October 2013)

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