price war; cutthroat competition
Refers to a fierce battle over pricing, often between businesses trying to undercut each other.
Due to the price war among supermarkets, milk is cheaper than usual.
The cutthroat competition in the mobile phone industry is a blessing for consumers.
A more neutral term for price competition, without the warlike connotation of 乱売合戦.
Similar meaning, but 乱売合戦 emphasizes chaotic or reckless discounting.
Compound of 乱売 (ranbai, 'dumping, selling at a loss') and 合戦 (kassen, 'battle, fight').