5 Basic Principles of Economics

Thinking Like an Economist

Tag: Gains from Trade

  • What are the Effects of Tariffs on a Nation’s Wealth?

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    This old question has been given new life by the inauguration of Donald Trump as President of the United States of America. Using tariffs to “fix” a trade deficit is seductively appealing but, like other zombie ideas, it relies on a misunderstanding. In this case, it ignores two basic principles of economics: opportunity cost and…

  • Unexpected Economic Insights During Christmas

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    Christmas is an enjoyable time for many, including many non-Christians living in countries where Christians are a minority. It is a time for presents and food and thinking of others. This post identifies some unexpected ways that the five basic principles of economics appear during this time. Familiar attempts to apply economic ideas to Christmas…

  • Market Control: How Barriers Impact Prices

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    Some economic discussions start by assuming that the market in question is perfectly (or almost perfectly) competitive. Other discussions start by assuming that a firm is mostly monopolistic. Understanding the difference matters, for several reasons. There are examples of monopolists and of cartel agreements [1] [2] [3]. Other investigations are on-going while politicians ask for…

  • The Challenges and Opportunities of using GenAI: Business and Education

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    Generative Artificial Intelligence (GenAI) is a very impressive general purpose technology: it can write poetry, recipes, cover letters for jobs and (after several suggestions were rejected) these images. The people who developed the foundations were recently recognized with a Nobel Prize. Every new and old business seems to claim that it is using AI: e.g.,…

  • Predicting an Election (Stock Market)

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    On Tuesday night, two US politicians will talk and then some media experts will talk about what the politicians talked about. Polls suggest that the country is nearly split 50/50 about which politician is preferred. For media companies, that is great news: they can say “Stay tuned for the latest news on this small but…

  • Swiftonomics: Economic Ideas and Taylor Swift

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    Taylor Swift is accused of causing inflation. She also represents an innovative organization worth more than US$1,000,000,000. Beyond this high-level perspective on her impact, many teachers are using her career to demonstrate old economic ideas more memorably. Some instructors offer entire courses in university [1] [2] [3] [4] [5] and at the high school level.…