All Flashcards
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.
How does a positive externality affect the socially optimal quantity?
A positive externality causes the socially optimal quantity to be higher than the market equilibrium quantity.
How does a negative externality affect the socially optimal quantity?
A negative externality causes the socially optimal quantity to be lower than the market equilibrium quantity.
How does MSB > MSC relate to production levels?
If MSB > MSC, society benefits more from producing more, indicating underproduction.
How does MSB < MSC relate to production levels?
If MSB < MSC, society loses more than it gains from producing more, indicating overproduction.
Why does the MSB curve slope downward?
The MSB curve slopes downward due to diminishing marginal utility. As consumption increases, the additional satisfaction from each extra unit decreases.
Why does the MSC curve slope upward?
The MSC curve slopes upward because of increasing negative externalities (like pollution) and the rising opportunity cost of using scarce resources.
In the context of education, why is MSB > MPB?
Education generates positive externalities, benefiting society as a whole beyond the individual student.
How does the market for flu vaccinations demonstrate positive externalities?
Vaccinations benefit not only the individual but also reduce the spread of disease, benefiting society as a whole.
How do externalities lead to market failure?
Externalities cause private costs/benefits to diverge from social costs/benefits, resulting in inefficient resource allocation.
How does pollution from a factory relate to MSC?
Pollution represents an external cost, increasing the MSC above the private cost of production.