Final answer:
Adam Smith argued that self-interested individuals ultimately benefit society through their actions in a free market economy.
Explanation:
Adam Smith believed that individuals, motivated by self-interest, inadvertently contribute to the public interest through their actions in a free market economy. He introduced the concept of the 'invisible hand,' where individuals pursuing personal gain unintentionally benefit society at large.
Learn more about Adam Smith's beliefs on self-interest and the public interest here:
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