People enjoy outdoor holiday lighting displays and would be willing to pay to see them, but can't be made to pay. Because most people 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

Question

Quizplus · Accepted Answer

This is an example of a demand-side market failure because the enjoyment people get from viewing holiday lights is a benefit they receive without paying, leading to under-provision of the good (in this case, holiday lights) since those who put up the lights cannot easily charge viewers.

People Enjoy Outdoor Holiday Lighting Displays and Would Be Willing