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McKelvey
McKelvey Final Review
63
Economics
9th Grade
05/11/2010

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Term
economics
Definition
the study of how people make decisions in a world where resources are limited
Term
needs
Definition
things that are required for survival, such as food, clothing and shelter
Term
wants
Definition
things that people would like to have that make life more enjoyable
Term
scarcity
Definition
the condition in which wants are greater than the resources available to satisfy those wants
Term
economic models
Definition
simplified representations of the real world tha are used to explain how the economy works or to predict economic changes
Term
trade-off
Definition
the alternative you face when you decide to do one tings rather then another
Term
opportunity cost
Definition
the cost of the next best use of your time or money when you choose to do one things rather then another
Term
marginal cost
Definition
the extra cost of producing one additional unit of output
Term
marginal benefit
Definition
the extra benefit associated with an action
Term
cost-benefit analysis
Definition
an economic model that compares the marginal costs and marginal benefits of a decision
Term
market economy
Definition
an economic system in which supply, demand and prices help people make decisison and allocate resources
Term
capitalism
Definition
a system in which private citizens own most of the means of production
Term
free enterprise
Definition
a system in which businesses are allowed to compete for profit with a minimum of government interference
Term
incentive
Definition
a reward offered to try to persuade people to take certain economic actions
Term
rational choice
Definition
a choice that is based on choosing the alternative that has the greatest value from among comparable products
Term
supply
Definition
the various quantities of a good or service that producers are willing to sell at all possible market prices
Term
law of supply
Definition
the principal that suppliers will normally offer more for sale at higher prices and less at lower prices
Term
supply schedule
Definition
a numerical chart that illustrates the law of supply
Term
supply curve
Definition
a graph that shows the amount of a product that would be supplied at all possible prices in the market
Term
profit
Definition
the money a business receives for its products or services over and above its costs
Term
market supply
Definition
the combination of supply schedules of all the businesses that provide the same good or service
Term
demand
Definition
the desire, willingness and ability to buy a good or service
Term
demand schedule
Definition
a table that lists the various quantities of a product or service that someone is willing to buy over a range of possible prices
Term
demand curve
Definition
a graph that shows the amount of a product that would be bought at all possible prices in the market
Term
law of demand
Definition
an economic principle that states that quantity demanded and price move in opposite directions
Term
market demand
Definition
the total demand of all consumers for their product or service
Term
utility
Definition
the pleasure, usefulness or satisfaction people get from using a product
Term
diminishing marginal utility
Definition
the principal that people's additional satisfaction or their marginal utility, tends to go down as more and more units are consumed
Term
surplus
Definition
the amount by which the quantity supplied is higher than the quantity demanded
Term
shortage
Definition
the amount by which the quantity demanded is higher than the quantity supplied
Term
equilibrium price
Definition
the price at which a good is bought and sold in a market so that theire is no surplus or shortage
Term
goods
Definition
tangible products that satisfy needs and wants
Term
services
Definition
work that is performed for someone else
Term
factors of production
Definition
types of resources natural resources, labor, capital, and entreprenuers that are necessary to produce goods and services
Term
natural production
Definition
all the things in nature that make production possible
Term
labor
Definition
the nation's labor force or human resources, the physical and mental talents that people contribute to the production of goods and services
Term
capital
Definition
the tools, machinery and buildings used to make goods
Term
entrepreneur
Definition
an individual who starts a new business, introduces a new product and improves management techniques
Term
gross domestic product (GDP)
Definition
the total values, in dollars, of all the final goods and services produced in a country during a single year
Term
standard of living
Definition
the quality of life based on the pssession of neccessities and luxuries that make life easier
Term
factor market
Definition
the market where productive resources are bougth and sold
Term
product market
Definition
the market where producers offer good and services for sale
Term
productivity
Definition
a measure of the amount of output produced by a given amount of inputs in a specific period of time
Term
specialization
Definition
the concentration on good and services that an individual, business, or nation can produce better than anyone else
Term
division of labor
Definition
the breaking down of a job into separate, smaller tasks, which are performed by different workers
Term
economic interdependence
Definition
the reliance on others to provide the good and services that are consumed
Term
private goods
Definition
goods that, when consumed by one individual, cannot be consumed by another
Term
public goods
Definition
goods that can be comsumed by one person without preventing the consumption of the good by another
Term
externality
Definition
the unintended side effect of an action that affects someone not involved in the action
Term
anitrust law
Definition
a law to control monopoly power and to preserve and promote competition
Term
merger
Definition
a combination of two or more companies to form a single business
Term
natural monoply
Definition
a market situation in which the costs of production are minimized by having a single firm produce the product
Term
recall
Definition
a situation in which a company pulls a product off the market or agrees to change it to make it safe
Term
real GDP
Definition
a measure of the economy that shows an economy's production after the distortions of price increases have been removed
Term
business cycle
Definition
alternating periods of growth and decline in an economy
Term
exoansion
Definition
a growth in the economy shown by an increase in the real GDP
Term
peak
Definition
the highest point in an economic expansion
Term
recession
Definition
a downward trend inthe economy shown when the real GDP goes down for the six straight months
Term
civilian labor force
Definition
all civilians 16 years and older who are either working or looking for work
Term
unemployment rate
Definition
the percentage of people in the civilian labor force who are not working but are looking for jobs
Term
fiscal policy
Definition
changes in the government spending or tax policies
Term
inflation
Definition
a sustained increase in the general level of prices
Term
consumer price index
Definition
a measure of the price level of 400 consumer items used to keep track of inflation
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