economics
ceteris parbus
"all else equal"
positive analysis
"what is" - economics mainly consists of this
normative analysis
"what ought to be"
economics is a social science because:
- it considers human behavior (particularly decision-making) - applies scientific method AND - is based on studying actions of individuals
law of supply
-there is a positive relationship between price and quantity supplied -as price increases, firms will supply more of a product
3 fundamental questions trade-offs force society to answer:
1. what goods and services will be produced? 2. how will goods and services be produced? 3. who will receive goods and services produced?
When we graph the relationship between two variables, we often want to draw conclusions about whether changes in one variable are causing changes in the other variable. Doing so, however, can lead to incorrect conclusions. Reasons for drawing incorrect conclusions about cause and effect include:
BOTH - an emitted variable - reverse casuality
Microsoft charges a price of $599 for Windows 7. Is this pricing decision rational?
When we assume the managers at Microsoft have used all available information and have weighed all known benefits and costs, we are assuming rationality
household
consists of all individuals in a home
macroeconomics
covers topics such as inflation and unemployment
PPF
curve showing maximum attainable combinations of two products that may be produced w available resources and current technology
circular flow model
economic model, shows how participants in markets are linked
free market
exists when the government places FEW restrictions on how a good can be produced or sold or on how a factor of production can be employed
equity
fair distribution of economic benefits
productive efficiency
good produced at lowest possible cost
opportunity cost
highest valued alternative that must be given up to engage in an activity
point below the ppt curve
inefficient use of resources
economics
is the study of the choices people make to attain their goals, given their scarce resources
scarcity
people must make choices as they try to attain their goals
allocative efficiency
production is in accordance with consumer preferences
comparative advantage
refers to the ability to produce a good at a lower opportunity cost
absolute advantage
refers to the ability to produce more of a good or service using the same amount of resources
movement from top to bottom of PPF
shows increasing marginal opportunity costs
entrepreneur
someone who operates a business, bringing together the factors of production (labor, capital, and natural resources) to produce goods and services
firms
suppliers of goods and services
when the federal government crafts economic policies that make it less expensive for firms to follow green initiatives:
the policies are consistent with economic incentives
property rights
the rights individuals or firms have to the exclusive use of their property, including the right to buy or sell it
Microeconomics
the study of how firms and households make choices, how they interact in markets, and how the government attempts to influence their choices
law of demand
there is an inverse relationship with price and quantity demanded