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BARRIER TO ENTRY: An institutional, government, technological, or economic restriction on the entry of firms into a market or industry. The four primary barriers to entry are: resource ownership, patents and copyrights, government restrictions, and start-up costs. Barriers to entry are a key reason for market control and the inefficiency that this generates. In particular, monopoly, oligopoly, monopsony, and oligopsony often owe their market control to assorted barriers to entry. By way of contrast, perfect competition, monopolistic competition, and monopsonistic competition have few if any barriers to entry and thus little or no market control.
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Lesson 5: Demand | Unit 4: Determinants
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Page: 16 of 20
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The five determinants that cause the demand curve to shift are:- Income: Income affects the ability of buyers to buy. It can affect a good in two ways-normal or inferior.
- Preferences: Preferences, our likes and dislikes, affect the willingness of buyers to buy.
- Prices of other goods: Other goods can be either substitutes or complements to the good we're analyzing.
- Expectations: Buyers' current demand depends on expectations of future prices.
- Number of buyers: More buyers, more demand. Fewer buyers, less demand.
These categories include all factors other than price that affect demand.
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GOVERNMENT PURCHASES LINE A graphical depiction of the relation between government purchases by the government sector and the economy's aggregate level of income or production. This relation plays a key role in the study of Keynesian economics. A government purchases line is characterized by vertical intercept, which indicates autonomous government purchases, and slope, which is the marginal propensity for government purchases and indicates induced government purchases. The aggregate expenditures line used in Keynesian economics is derived by adding or stacking the government purchases line onto the consumption line, as well as investment expenditures and net exports.
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BROWN PRAGMATOX
[What's This?]
Today, you are likely to spend a great deal of time lost in your local discount super center trying to buy either clothing for your kitty cats or a set of luggage without wheels. Be on the lookout for infected paper cuts.
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
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"Experience keeps a dear school, but fools will learn in no other. " -- Benjamin Franklin
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