1.2 - the market Flashcards
What is demand
Quantity willing or able to be purchased
Show demand on a diagram
Non-price factors affecting demand
- Price of substitutes and complementary goods
- RDI levels
- Trends
What is supply
Quantity willing or able to be supplied
Factors affecting supply
- Changes to cost of production
- ## Technology
What is PED?
If price changes, how much does demand change?
What are PED figures always?
A negative
What is the formula for PED?
PED = %Change in QD / % change in price
How to know a PED is elastic or inelastic?
Elastic = more than 1 (normal or luxury goods
Inelastic = less than 1 (inferior)
What is income elasticity of demand?
If income changes, how much does demand change?
What is the formula for Income elasticity of demand?
YED = %change in QD / %change in Y(income)
For YED, how to know which good is normal, inferior or luxury?
Luxury good = Products with a highly positive YED
Normal good = Products with a slightly positive YED
Inferior good = products with a negative YED.