[2 marks]Market structures: oligopoly, price wars and cartels
Which feature of a market made up of a few large supermarket chains is the clearest evidence that it is an oligopoly?
- Aevery firm sells an identical product at a price that is set entirely by the market
- Bone single firm supplies the whole market and there are no close substitutes for it
- Cthere are thousands of small sellers, none of whom can influence the ruling market price
- Deach chain has to weigh how its rivals will react before it changes its own prices