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Chapter 3: Tools for Analyzing International Affairs
The median voter theorem is a powerful tool to analyze social choice. The simple argument of this theorem is that in a group of voters arrayed along some continuous policy dimension, the median voter holds the critical position that will determine the outcome of decisions. That is, the position of the median voter will be the winning position.
Three critical conditions must hold before we can use the median voter theorem to predict outcomes. Actors must have (or be assumed to have) single-peaked preferences, we must have a unidimensional issue area, and decisions must be made by a majority rule.
- Why is the median voter in such ...