Final answer:
A one-time payment made to an employee, also called a performance bonus or lump-sum increase (LSI), is an additional payment given to recognize and reward exceptional performance or contribution to the organization.
Step-by-step explanation:
A one-time payment made to an employee is commonly referred to as a lump-sum increase (LSI) or a performance bonus.
It is an additional payment given to an employee on top of their regular salary or wages as a way to recognize and reward their exceptional performance or contribution to the organization.
This type of payment is popular with both economists and the general public because it effectively increases the amount of payment received for work.