seller's monopoly
Economic term for a market situation where a single seller controls the supply of a good or service.
This market is in a state of seller's monopoly.
Refers to a buyer's monopoly (monopsony), where a single buyer controls the market, in contrast to 売手独占 which is a seller's monopoly.
General term for monopoly; 売手独占 specifically emphasizes the seller side.
Compound of 売手 (seller) and 独占 (monopoly).