Definitions Flashcards
Economic problem
The need to make choices regarding how to allocate limited and finite resources between unlimited and competing wants. The resulting scarcity means that decisions have to be made about what is produced, how it is produced and for whom.
Economic Activity
The process of combining resources to add value and produce goods and services demanded by consumers.
Specialisation
The concentration of an individual, firm, region or country on a narrow range of tasks or goods and services.
Opportunity Cost
The next best alternative foregone when a choice is made.
PPC
Shows the maximum combinations of two goods and services that can be produced in an economy with all resources fully employed.
A Market
Any interaction between buyers and sellers for the exchange of goods and services.
Demand
The quantity of a good or service that consumers are willing and able to purchase at a given market price over a period of time.
Supply
The quantity of a good or service that producers are willing and able to supply at a given market price over a specified period of time.
Producer Surplus
The difference between the price a producer is willing to accept and the market price actually recieved.
Market Equilibrium
Occurs when supply equals demand and the market clears.
Equilibrium Price
The price at which supply equals demand.
PED (Price elasticity of demand)
Measures the responsiveness of the quantity demanded to a change in the price of a good or service.PED = % change in quantity demanded / % change in price
YED (Income elasticity of demand)
Measures the responsiveness of demand to a change in consumers’ disposable income.YED = % change in quantity demanded / % change in income
XED (cross elasticity of demand)
Measures the responsiveness of demand for one product to a change in the price of another product.XED = % change in quantity demanded of good A / % change in price of good B
PES (Price elasticity of supply)
Measures the responsiveness of the quantity supplied to a change in the price of a good or service.PES = % change in quanity supplied / % change in price