March 17, 2018 

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SAVING-INVESTMENT MODEL: A model used to identify equilibrium in Keynesian economics based on injections (investment, I) and leakages (saving, S) for the two basic sectors (household and business). Equilibrium is achieved at the intersection of the saving line, S, and the investment line, I.

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Lesson 4: Production Possibilities | Unit 1: Getting Started Page: 1 of 24

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Let's begin with a definition:

Production possibilities is an analysis that shows how much of two goods that our economy can produce given existing resources and technology.

Production possibilities analysis is used to...

  • Answer the 'What?' question of allocation: To answer the "What?", what goods we want to produce depends on what goods the economy is able to produce.
  • Understand economic concepts: Some of the key terms we will analyze are opportunity cost, unemployment, full employment, investment, and growth.
  • Introduce graphical analysis techniques: This will be our first hands-on work with graphical analysis, a required part of economic study. Graphs, lines, and curves are a handy way of abstracting key relationships and principles from the real world.

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An economics field of study that applies both macroeconomic and microeconomic principles to international trade, which is the flow of trade among nations, and to international finance, which is the means of making payment for the exchange of goods among nations. International economics studies the economic interactions among the different nations that make up the global economy. Often this interaction is viewed in terms of the domestic economy and the foreign sector. The key economic principle underlying international economics is the law of comparative advantage.

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Today, you are likely to spend a great deal of time at an auction hoping to buy either storage boxes for your winter clothes or several magazines on time travel. Be on the lookout for the happiest person in the room.
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