A Level Economics Day Before Exam Help Sheet
1.1 Nature of Economics
Renewables and non -renewable resources
- Renewable resources resources that are replenished naturally over short periods of
time
- Non-renewable resources are available in limited supplies(rate of consumption is
faster than rate of extraction)
PPF
- Illustrates the maxim potential output of an economy when all resources are fully
employed
1.2 How markets work
Demand
- Movement occurs along the curve
Change in both price and quantity demanded
- Movement implies demand/supply relationship is consistent
Supply
- Movement occurs along the curve
Change in both price of good and quantity supplied
- Movement implies demand/supply relationship is consistent
XED(Cross price elasticity of demand)
- Measures the responsiveness in the quantity demanded of one good when the price for
another good changes.
1.3 Market failure
Externalities
Public goods
1.1 Nature of Economics
Renewables and non -renewable resources
- Renewable resources resources that are replenished naturally over short periods of
time
- Non-renewable resources are available in limited supplies(rate of consumption is
faster than rate of extraction)
PPF
- Illustrates the maxim potential output of an economy when all resources are fully
employed
1.2 How markets work
Demand
- Movement occurs along the curve
Change in both price and quantity demanded
- Movement implies demand/supply relationship is consistent
Supply
- Movement occurs along the curve
Change in both price of good and quantity supplied
- Movement implies demand/supply relationship is consistent
XED(Cross price elasticity of demand)
- Measures the responsiveness in the quantity demanded of one good when the price for
another good changes.
1.3 Market failure
Externalities
Public goods