In general - Corruption schemes mainly include:
- Bribery schemes - the offering, giving, receiving or soliciting of a thing of value to influence a business decision.
- Kickback schemes - vendors make undisclosed payments to employees of purchasing companies in order to enlist the employees in over-billing schemes
- Bid-rigging schemes - an employee fraudulently assists a vendor in winning a contract through the competitive bidding process
- Economic extortion schemes - employee demands payment from a vendor for decisions made in the vendor's favour. Refusal to pay the blackmailer results in harm to the vendor
- Illegal gratuities schemes - giving or receiving something of value to reward a business decision