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Self Interest

In economics, the term "self-interest" refers to the idea that people act in ways that are designed to maximize their own well-being. This doesn't necessarily mean that people are selfish or only care about themselves - it just means that they make decisions based on what they think is best for them. For example, someone might buy a more expensive car because they think it's a better investment than a cheaper one, even if that means they have less money to spend on other things. Of course, people's self-interest can also be influenced by other factors like altruism or a desire to help others.

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