ECON 102 Chapter Notes - Chapter 1: Marginal Utility, Marginal Cost, Opportunity Cost

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25 Jan 2019
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To get something that we like, we usually have to give up something else that we also like. Efficiency - society is getting the maximum benefits from its scarce resources. Refers to the size of the economic pie. Equality - those benefits are distributed uniformly among society"s members. Refers to how the pie is divided into individual slices. People are likely to make good decisions only if they understand the options that are available to them. Principle 2: the cost of something is what you give up to get it. Because people face trade-offs, making decisions requires comparing the costs and benefits of alternative courses of action. Cost of an action is not as obvious as it might first appear. Opportunity cost - what you give up to get that item. Principle 3: rational people think at the margin. Rational people - systematically and purposefully do the best they can to achieve their objectives, given the available opportunities.

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