Answer:
natural monopolies
Step-by-step explanation:
Natural monopolies -
It refers to the method of monopoly of the industry , where the cost of the infrastructure and other appliances is very high i.e. , the cost of start up is very high in order to initiate the business , is referred to a natural monopolies .
Therefore , it is preferred to have a single natural over a particular geographical location , because unnecessary many natural monopoly would lead to the wastage of the resources and can even lead to inefficient duplication of the infrastructure .
Hence , from the given scenario of the question ,
The correct answer is natural monopolies .