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For example, economists use terms such as the natural rate of unemployment, the elasticity of demand, opportunity cost, and comparative advantage. These terms are nothing more than a shorthand way of conveying a general concept that all economists understand, even if they don’t necessarily agree with each other's conclusions. While specific terms will be introduced throughout the text, this introductory discussion will focus on some general terms and concepts.
What exactly is economics? You are probably familiar with economic terms from watching the nightly news or reading the daily newspaper. Economics is often discussed in terms of unemployment, the stock market, gross national product, the trade deficit, or consumer confidence. However, none of these topics really defines economics. Instead, these are elements of the broader set of questions that economics addresses.
