2.8 Market failure and externalities Flashcards
The role of markets
What is market failure?
The free market doesn’t lead to a socially optimal allocation of resources. Either too much/too little of a good is being produce/consumed
What is total market failure?
The free market fails to provide ANY of a good/service
What is partial market failure?
The free market fails to allocate scarce resources efficiently
What is productive efficiency?
Producing goods/services at the lowest possible average total cost
It occurs at any point on PPC
What is allocative efficience?
The right amount of goods/services produced where consumer utility is maximised
It’s not possible to judge from the PPC
What are externalities?
Costs/benefits that are external to a market transaction and isn’t reflected in market prices
A spillover effect where 3rd parties are affected by the actions of others
What are private costs and private benefits?
- Cost of an activity incurred to an individual taking the particular action e.g. wages, raw materials
- The benefits of an activity to an individual directly taking the action e.g. profit, utility
What are external costs and external benefits?
- The cost of an activity that are the consequence of externalities from a 3rd party e.g. pollution
- The benefits that are received by society as a consequence of externalities from a 3rd party e.g. lowered costs for local producers, roads
What are social costs and social benefits?
- Private costs + external costs (the total costs)
- Private benefits + external benefits (the total benefits)
How much are negative and positive externalities consumed?
Negative = overconsumed
Positive = underconsumed