Chapter 1: Economic Foundations and Models Flashcards
Important ideas when considering economics
- People are rational
- people respond to incentives
- optimal decisions are made at the margin
Trade-offs
The idea that because of scarcity, producing more of one good or service means producing less of another good or service
Opportunity Cost
The highest-valued alternative that must be given up to engage in an activity
Central Planned Economy
An economy in which the government decides how economic resources will be allocated
Market Economy
An economy in which the decisions of households and firms interacting in markets allocate economic resources
Mixed Economy
An economy in which most economic decisions result form the interaction of buyers and sellers in markets but in which the government plays a significant role in the allocation of resources
Productive Efficiency
A situation in which a good or service is produced at lowest possible cost
Allocative Efficiency
A state of the economy in which production is in accordance with consumer preferences; in particular, every good or service is produced up to the point where the last unit provides a marginal benefit to society equal to the marginal cost of producing it
Equity
The fair distribution of economic benefits
What steps are followed when economists develop a model
- Decide on the assumptions to use in developing the model
- Formulate a testable hypothesis
- use economic data to test the hypothesis
- Revise the model if it fails to explain the economic data well
- Retain the revised model to help answer similar economic questions in the future
Economic Variable
Something measurable that can have different values
Positive Analysis
Analysis concerned with what is
- facts and logic
Normative Analysis
Analysis concerned with what ought to be
- Value judgements
Mircoeconomics
The study of
1. how individual economic agents make choices
2. how these choices come together to determine what happens in a single market
3. the impact of government interventions on market outcomes
Macroeconomics
The study of the economy as a whole, including topics such as inflation, unemployment, and economic growth