Bribe

a bribe or illegal payment offered to an organisational buyer in order to obtain the business, commonly, the kickback is a percentage of the salesperson's commission on the sale or an item of merchandise
kinesics communication ...

firms' bribery of foreign officials. Although most if not all countries ban the payment of bribes, such laws are widely flaunted in many countries, and it is often useful to pay a bribe to get foreign government officials to act favorably.

See also: Marketing, Offer, Company, Consumer, Demand