The correct answer is A. cartelisation.
Cartelisation is an agreement between two or more businesses to fix prices, limit production, or share markets. This can result in higher prices, poor quality, and less choice for consumers.
B. Bid rigging is an agreement between two or more businesses to rig the bidding process for a contract. This can result in higher prices for the government or other entity that is awarding the contract.
C. Tie-in arrangement is an agreement between a supplier and a buyer in which the buyer agrees to purchase one product from the supplier in order to purchase another product from the supplier. This can result in consumers being forced to buy products they do not want or need.
D. Refusal to deal is a situation in which a business refuses to deal with another business. This can result in consumers being denied access to products or services.
Cartelisation is a serious problem that can have a
significant impact on consumers. It is important to be aware of the signs of cartelisation and to report any suspected cases to the authorities.