People who experience a spotlight effect would perceive that they are receiving more attention from other people than they actually do.
This effect tend to be caused by irrational fear of social judgement. The fear caused personal insecurities that make the victim felt every gesture made by other people was made to mock him/her from behind.
Example of a spotlight effect is when an overweight person felt insecure about their body and falsely perceive other people who are having personal conversation behind him are currently mocking his body.
Efficient utilization of resources: The most essential function of economic planning is to ensure the best use of given resources within the country. Maximum social benefits can only be ensured when the available resources are allocated and utilized in the most efficient manner.