All Flashcards
What are the key differences between MSB and MPB?
MSB includes both the private benefits to consumers and the external benefits to third parties, while MPB only considers the private benefits.
What are the key differences between MSC and MPC?
MSC includes both the private costs to producers and the external costs faced by third parties, while MPC only considers the private costs.
Compare and contrast positive and negative externalities.
Positive externalities create benefits for third parties, leading to underproduction. Negative externalities create costs for third parties, leading to overproduction.
How do subsidies and taxes differ in their impact on market equilibrium?
Subsidies increase quantity and decrease price (for consumers), while taxes decrease quantity and increase price (for consumers).
Differentiate between private and social costs.
Private costs are incurred by the producer, while social costs include private costs plus any external costs imposed on society.
Differentiate between private and social benefits.
Private benefits are enjoyed by the consumer, while social benefits include private benefits plus any external benefits enjoyed by society.
How do MPB/MPC differ from MSB/MSC in the absence of externalities?
In the absence of externalities, MPB = MSB and MPC = MSC.
What is the difference between allocative efficiency and productive efficiency?
Allocative efficiency occurs when MSB=MSC, while productive efficiency occurs when a firm produces at the lowest possible cost.
What is the difference between market equilibrium and socially optimal quantity?
Market equilibrium occurs where MPB=MPC, while the socially optimal quantity occurs where MSB=MSC. They are the same only when there are no externalities.
Compare and contrast the effects of a tax and a subsidy on producer surplus.
A tax decreases producer surplus, while a subsidy increases producer surplus.
What is Marginal Social Benefit (MSB)?
The total additional benefit to society from consuming one more unit of a good or service, including external benefits.
What is Marginal Social Cost (MSC)?
The total additional cost to society from producing one more unit of a good or service, including external costs.
Define Socially Optimal Quantity.
The quantity where MSB = MSC, maximizing total economic surplus and representing an efficient allocation of resources.
What is a socially efficient market outcome?
An outcome where resources are optimally allocated, considering all internal and external costs and benefits.
Define deadweight loss.
The loss of economic efficiency that occurs when equilibrium for a good or service is not Pareto optimal or is not achieved.
What is a positive externality?
A benefit that is enjoyed by a third-party as a result of an economic transaction.
What is a negative externality?
A cost that is suffered by a third party as a result of an economic transaction.
What is market failure?
A situation where the allocation of goods and services by a market is not efficient.
Define Marginal Private Benefit (MPB).
The benefit an individual consumer receives from consuming one more unit of a good or service.
Define Marginal Private Cost (MPC).
The cost an individual producer incurs from producing one more unit of a good or service.
On a graph, what does the intersection of MSC and MSB indicate?
The intersection of MSC and MSB indicates an efficient allocation of resources, representing the socially optimal quantity.
On a graph, what area represents deadweight loss due to overproduction?
The area between the MSC and MSB curves, from the socially optimal quantity to the actual quantity produced.
On a graph, what area represents deadweight loss due to underproduction?
The area between the MSB and MSC curves, from the actual quantity produced to the socially optimal quantity.
How would you graphically represent a positive externality in production?
The MSB curve would lie above the MPB curve, reflecting the additional social benefits.
How would you graphically represent a negative externality in production?
The MSC curve would lie above the MPC curve, reflecting the additional social costs.
If a graph shows MPB and MPC intersecting at a quantity lower than where MSB and MSC intersect, what does this indicate?
This indicates a positive externality and underproduction in the market.
If a graph shows MPB and MPC intersecting at a quantity higher than where MSB and MSC intersect, what does this indicate?
This indicates a negative externality and overproduction in the market.
On a graph showing the market for education, how would you identify the area of deadweight loss?
The area of the triangle formed between the MSB and MSC curves, bounded by the market quantity (Q*) and the socially optimal quantity (Q).
On a graph, how is the size of the externality represented?
The vertical distance between the MPB and MSB curves (for positive externalities) or the MPC and MSC curves (for negative externalities).
How can a graph show the effect of a subsidy on a good with positive externalities?
The subsidy shifts the MPB curve upward, ideally to coincide with the MSB curve, increasing the quantity produced.