Question

for a long while, electricity producers were thought to be a classic example of a natural monopoly. people held this view because

the marginal cost of producing units of electricity by one producer in a specific region was higher than if the same quantity were produced by two or more the same region.

producers have sharply increasing costs as production rises.

the average cost of producing units of electricity by one producer in a specific region was lower than if the same quantity were produced by two or more producers in the same region.

the average cost of producing units of electricity by one producer in a specific region was higher than if the same quantity were produced by two or more produced in the same region.

Explanation:

A natural monopoly arises when a single firm can supply an entire market at a lower cost than multiple firms, due to economies of scale (declining average costs with output). For electricity producers, the key characteristic is that one producer has a lower average cost for the same total output compared to multiple producers in the same region.

Answer:

the average cost of producing units of electricity by one producer in a specific region was lower than if the same quantity were produced by two or more producers in the same region.