People enjoy outdoor holiday lighting displays and would be willing to pay to see these displays but can't be made to pay.Because those who put up lights are unable to charge others to view them,they don't put up as many lights as people would like.This is an example of a:

A) negative externality.
B) supply-side market failure.
C) demand-side market failure.
D) government failure.

Outdoor Holiday Lighting

Decorative lighting used externally on buildings and in gardens to celebrate holidays, especially festive periods like Christmas.

Supply-Side Market Failure

Situations where the production or supply of a good or service leads to insufficient or excessive production, often due to externalities or lack of competition.

Demand-Side Market Failure

Demand-side market failure occurs when demand curves do not reflect consumers' full willingness to pay for a good or service, often due to externalities or public goods.