Unit 1 - Basic Economic Principles

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60 Terms

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economics

science of scarcity

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scarcity

unlimited wants but limited resources

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microeconomics

study of small economic units such as individuals, firms, and markets

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macroeconomics

study of the large economy as a whole or economic aggregates (ie. economic growth)

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positive statements

based on facts; avoids value judgements (what is)

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normative statements

includes value judgements (what ought to be)

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trade-offs

all alternatives that we give up when we make a choice

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opportunity cost

most desirable alternative given up when you make a choice

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utility

satisfaction/enjoyment

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marginal

additional

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allocate

distribute

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price

amount buyer pays

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cost

amount seller pays to produce a good

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investment

the money spent by businesses to improve their production (ie. new factory)

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consumer goods

created for direct consumption (ie. pizza)

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capital goods

created for indirect consumption (ie. oven)

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4 factors of production

land, labor, capital, entrepreneurship

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land

natural resources used to produce goods and services

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labor

any effort a person devotes to a task for payment

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capital

physical and human

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physical capital

machines and tools

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human capital

knowledge and skills

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entrepreneurship

leaders that combine resources and make things (goal: maximize profits)

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productivity

measure of efficiency that shows the number of outputs per unit of input

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ceteris paribus

all other things constant

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constant opportunity cost

resources are easily adaptable for producing either good (straight line PPC)

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law of increasing opportunity cost

as you produce more of any good, the opportunity cost will increase (bowed out PPC)

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productive efficiency

products produced in least costly way (any point of PPC)

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allocative efficiency

products being produced are most desired by society (optimal point on PPC)

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PPC

graph

<p>graph</p>
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inefficient

point 1

<p>point 1</p>
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efficient

points 3 & 4

<p>points 3 &amp; 4</p>
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impossible/unattainable

point 2

<p>point 2</p>
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3 shifters of the PPC

  1. change in quantity/quality of resources

  2. change in technology

  3. change in trade (consumption)

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per unit opportunity cost (formula)

opportunity cost/units gained

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absolute advantage

producer that produces most output OR requires least amount of inputs (resources)

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comparative advantage

producer with lowest (per unit) opportunity cost

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terms of trade

the agreed upon conditions that would benefit both countries

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demand

the different quantities of goods that consumers are willing and able to buy at different prices

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law of demand

there is an inverse relationship between price and quantity demanded

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why does law of demand occur (2 reasons)

  1. the substitution effect

  2. the income effect

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substitution effect

if price increases for a product, consumers will buy less of it and more of another substitute product

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income effect

if price decreases for a product, the purchasing power increases for consumers (allowing them to purchase more)

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law of diminishing marginal utility

as you consume more units of any good, the additional satisfaction from each added unit will start to decrease (less satisfaction)

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shift

change in demand (same prices)

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movement

change in quantity demanded

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5 shifters of demand

  1. tastes and preferences

  2. number of consumers

  3. price of related goods

  4. income

  5. future expectations

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price of related goods

one good can be affected by a change in the price of another related good (substitutes & complements)

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income

changes demand, but depends on type of good (normal and inferior)

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normal goods

directly related (income increases, demand increases)

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inferior goods

indirectly related (income increases, demand decreases)

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future expectations

if you think the price will decrease in the future, the demand decreases

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subsidy

government payment that supports a business or market (causes supply of a good to increase)

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6 shifters of supply

  1. prices/availability of resources

  2. number of sellers

  3. technology

  4. government action (taxes/subsidies)

  5. price of related goods

  6. expectations of future profit

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supply

different quantities of a good that sellers are willing and able to sell (produce) at different prices

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law of supply

there is a direct relationship between price and quantity supplied

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equilibrium

point where supply and demand are balanced

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price ceiling

maximum legal price a seller can charge for a product (causes shortage)

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price floor

minimum legal price a seller can sell a product; must be above equilibrium to have an effect (causes surplus)

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double shift rule

if two curves shift at the same time, either price or quantity will be indeterminate