Basic economic ideas and resource allocation (AS level) Flashcards
Basic economic problem
Scarce resources but unlimited wants
Resources
inputs available for the production of goods and services
Wants
the goods and services that people may like to have but are not always realised
Needs
things that are necessary for survival, such as food
Scarcity
a situation in which wants and needs are greater than the resources available
Choice
resources are scarce so individuals, firms, and governments have to consider alternatives.
Factors of production
resources or inputs available in an economy that are used in the production of goods and services.
Firm
any business that hires factors of production to produce goods and services
Opportunity cost
the cost expressed in terms of the next best alternative that is foregone when a choice is made.
Macroeconomics
the study of an economy or a group of economies
Microeconomics
the study of individuals markets (households and firms)
Model
a simplified view of reality used to explain economic problems and issues.
Positive statement
a statement that is based on facts or actual evidence
Normative statement
a statement that is based on the economist’s opinion or value judgement and which cannot be proven
Ceteris Paribus
phrase meaning other things unchanged; used by economists to model the effects of one change at a time.
Short run
time period when a firm can change at least one but not all factor inputs
Long run
time period when all factors of production are variable but with a constant, such as the state of technology.
Very long run
time period when all key inputs into production are variable
Entrepreneur
an individual who seeks out new business opportunities and is willing to take risks.
Land
a factor of production; natural resources in an economy
Labour
a factor of production; human resources available in an economy
Capital
a factor of production; a physical resource made by humans that aids the production of goods and services.