[E]conomics can never be a science in the sense that physics or chemistry is. There are many different types… — Chang Ha-Joon

[E]conomics can never be a science in the sense that physics or chemistry is. There are many different types of economic theory, each emphasizing different aspects of a complex reality, making different moral and political value judgments and drawing different conclusions. ...[E]conomic theories constantly fail to predict real-world developments... not least because human beings have... free will, unlike chemical molecules or [other] physical objects.

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