the study of how society manages its scarce resources
Scarcity
the limited nature of society's resources
Efficiency
the property of society getting the most it can from its scarce resources
Equality
the property of distrubuting economic prosperity uniformly among the members of society
Opportunity Cost
whatever must be given ip to obtain some item
Rational People
people who systematically and purposefully do the best they can to acheive their objectives
Marginal Changes
small incremental adjustments to a plan of action
Incentive
something that induces a person to act
Markey Economy
an economy that allocates resouces through the decntralized decisions of many firms and households as they interact in markets for good and services
Property Rights
the ability of an individual to own and exercise control over scarce resources
Market Failure
a situation in which a market left on its own fails to allocate resouces efficiently
Externality
the impact of one person's actions on the wellbeing of a bystander
Market Power
the ability of a singe economic actor (or small group of actors) to have a substantial influence on market prices
Productivity
the quantity of goods and services produced from each unit of labor input
Inflation
an increase in the overall level of prices in the ecomony
Business Cycle
fluctuations in economic activity, such as employment and production
Circular-flow Diagram
a visual model of the economy that shows how dollars flow through markets among households and firms
Microeconomics
the study of how households and firms make decisions and how they interact in markets
Macroeconomics
the study of economy-wide phenomena, including inflation, unemployment, and economic growth
Production Possibilities Frontier
a graph that shows the combinations of output that the economy can possibly produce given the available factors of production and the available production technology.
Positive statements
claims that attempt to describe the world as it is
Normative Statements
claims that attempt to prescribe how the would shoud be
Absolute Advantage
the ability to produce a good using fewer inputs than another producer
Comparitive Advantage
the ability to produce a good at a lower opportunity cost (whatever given up) than another producer