monopsony
Economic term for a market with a single buyer. Used in economics and business contexts.
In a monopsony market, the buyer has price-setting power.
独占 is a general term for monopoly, while 買い手独占 specifically refers to a buyer's monopoly (monopsony).
売り手独占 means monopoly (single seller), the opposite of 買い手独占 (single buyer).
Compound of 買い手 (buyer) and 独占 (monopoly), literally 'buyer monopoly'. A direct translation of the English economic term 'monopsony'.