To many people, economics is as confusing as physics. Just as we use physics every day even if we don’t know its technical aspects, we all use economics on a daily basis even if we don’t know its technical aspects. Yet, unlike physics, introductory economics is not as difficult as it might appear at first. However, it is true that economists speak a different “language” in the sense that we often use terms that are not common in everyday conversation.

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.

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