Micro Unit `1

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Economics

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50 Terms

1

Economics

study of scarcity and choice

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Microeconomics

the part of economics concerned with single factors and the effects of individual decisions.

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Firm

a business organization that produces and sells goods or services to make a profit

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Household

a group of people who live together and share resources, such as income and consumption

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Trade-off

give up something to get something else

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Individual choice

decisions made by individuals about what to do/not do

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Resources (4)

Land- natural resources

Labor- the effort of workers

Capital- all manufactured resources (factory, chainsaw, cash, education)

Entrepreneurship- risk taking, innovation, organization

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Scarcity

-not enough stuff to satisfy all of society

-all resources are scarce (all that can be sold)

-everyone wants more than is available

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Marginal Analysis

study of cost/benefits of doing a little more of an activity vs. a little less

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Marginal Benefit

gain of doing something once more

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Marginal Cost

cost of doing something once more

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Opportunity Cost

what you must give up to get something compared to next best alternative (utility)

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Utility

value, what something is worth (measured in utils)

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Positive Economics

economics that uses objective data and facts

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Normative Economics

economics that focuses on valuing judgement and opinion

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3 Basic Questions every economy has to answer

  1. What goods and services will be produced?

  2. How will these goods and services be produced?

  3. Who will receive the goods and services?

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Traditional Economy

how things are done based on tradition (hunter gatherers)

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Market Economy

kinda capitalist, no central power but many sellers and consumers

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Command Economy

factors of production are publicly owned and central authority makes decisions

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Mixed Economy

combines parts of traditional, market, command

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Incentive

rewards or punishments that motivate particular choices

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Property Rights

establish ownership and grant individuals the right to trade goods and services with each other

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Production Possibility Curve

helps understand efficiency, opportunity cost, economic growth

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Model

Simplified version of reality, help study effects of one change

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Other Things Equal Assumption

all other relevant factors in a model remain unchanged

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Efficient

no way of making things better without making things worse for someone

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Increasing Opportunity Cost

as you continue to increase production of one good, the opportunity cost of producing that next unit increases

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ceteris paribus

all other things being unchanged or constant

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Constant Opportunity Cost

a situation where the opportunity cost remains unchanged as more units of a particular good are produced

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Economic Growth

increase in max amount of goods/services an economy can produce

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Technology

technical means for producing goods/services

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Productive Efficiency

produces as much as possible

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Allocative Efficiency

all products are consumed/used

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Trade

people provide goods and services in exchange for goods and services

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Specialization

each person specializes in the task they are good at

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Comparative Advantage

producing good or service if that person’s opportunity cost is lowest among possible

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Absolute Advantage

individual can produce more of good/service given same time and resources

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Terms of Trade

The rate at which one good can be exchanged for another

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International Trade

the exchange of goods and services between countries, which can include imports and exports

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Rational Agents

consumers, producers, others who behave rationally and make optimal decisions

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Sunk Cost

cost that has already been incurred and is nonrecoverable. A sunk cost should be ignore in decisions

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Explicit Cost

paid for with money

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Implicit Cost

paid for with time and missed opportunities

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Marginal Utility

changes in total utility generated by consuming one additional unit of that good or service

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Marginal Utility Curve

shows how marginal utility depends on quantity of a good or service consumed

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Principle of Diminishing Marginal Utility

each successive unit of good/service adds less to total utility than does previous unit

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Budget Constraint

limits consumer consumption bundle to no more than income

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Budget Line (BL)

shows consumption value of consumer spending all income

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Optimal Consumption Bundle

bundle that maximizes consumer’s total utility given budget constraints

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Optimal Consumption Rule

in order to maximize utility, a consumer must equate the marginal utility per dollar spent on each good and service in the consumption bundle

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