price war
US /ˈpraɪs wɔːr/
UK /ˈpraɪs wɔːr/

1.
guerra de precios
a fierce competition in which retailers cut prices in an attempt to increase their share of the market
:
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The supermarket initiated a price war on essential goods.
El supermercado inició una guerra de precios en productos esenciales.
•
Consumers often benefit from a price war as prices drop.
Los consumidores a menudo se benefician de una guerra de precios a medida que los precios bajan.