The restaurants would become more like a competitive market if three more restaurants opened in a small town where only four restaurants were open for business originally.
In a competitive market, neither a single customer nor a single manufacturer can have a significant impact on the market. Its response to supply and demand changes as shown by the supply curve, which depicts the quantity of a good.
Supply curves change to maintain the producer's expenses in relation to its sales because a competitive market requires the producer to be willing to offer a product for what the market will pay.
Multiple factors determine market prices and, hence, market supply in a perfectly competitive market. Because independent price adjustments could result in a loss in sales, competitive market producers in this structure are price-takers who accept the market price.
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