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Public choice theory applies economic principles to political decision-making. It views politicians as seeking to maximize votes, similar to how firms aim for profit maximization. This theory, building on Duncan Black's work, challenges the idea that politicians' interests always align with the public good.1

Key aspects include:
* Cost-Benefit Analysis: Extending microeconomic analysis to social choices.1
* Rational Actors: Assuming individuals pursue their interests rationally, often with a focus on self-interest and electoral success.12
* Institutional Settings: Recognizing that political institutions shape the opportunities and actions of politicians.2

While influential, rational choice theory has faced criticism for potentially oversimplifying complex political behavior and neglecting cultural contexts.2

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