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OPPORTUNITY COST: The highest valued alternative foregone in the pursuit of an activity. This is a hallmark of anything dealing with economics--and life for that matter--because any action that you take prevents you from doing something else. The ultimate source of opportunity cost is the pervasive problem of scarcity (unlimited wants and needs, but limited resources). Whenever limited resources are used to satisfy one want or need, there are an unlimited number of other wants and needs that remain unsatisfied. Herein lies the essence of opportunity cost. Doing one thing prevents doing another.
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Lesson 2: Economic Science | Unit 2: Theory
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Page: 7 of 20
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Topic:
Economic Theories
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Three common economic theories:- Markets theory: It helps us understand how and why prices change, shortages and surpluses occur, and markets are monopolized.
- Aggregate Markets theory: It uses principles and concepts developed in the theory of markets, but adapts them to the study macroeconomic things like inflation, unemployment, national production, and business cycles.
- Keynesian theory: Named after it's creator John Maynard Keynes, it was developed to explain high rates of unemployment and other economic conditions that existed during the Great Depression of the 1930s.
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AVERAGE REVENUE PRODUCT Total revenue generated per unit of a variable input, keeping all other inputs unchanged. Average revenue product, usually abbreviated ARP, is found by dividing total revenue by the variable input or by multiplying average physical product by average revenue. Average revenue product is a part of marginal productivity theory used to analyze the demand for productive inputs.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time searching for rummage sales looking to buy either a pair of red goulashes with shiny buckles or a handcrafted bird feeder. Be on the lookout for small children selling products door-to-door.
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John Maynard Keynes was born the same year Karl Marx died.
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"It is not because things are difficult that we do not dare; it is because we do not dare that they are difficult. " -- Seneca, statesman, dramatist, philosopher
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FED
Federal Reserve
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