The Phone Network Says It Loses Money on Local Calls

question 44

Essay

The phone network says it loses money on local calls, because the $20 average monthly bill does not cover its average cost of $30.It estimates that $18 of costs are directly related to local service, with $12 the share from overall expenses (overhead).Why would the phone network be willing to operate if it is losing money?

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Definitions:

Geographic Mosaic

A concept in evolution that suggests populations evolve in a patchwork pattern across different environments, leading to varying selection pressures and outcomes.

Diversifying Coevolution

Diversifying coevolution refers to an increase in genetic diversity caused by the heterogeneity of coevolutionary processes across the range of ecological partners.

Evolutionary Force

Evolutionary force refers to factors such as natural selection, mutation, genetic drift, and gene flow that influence the genetic variability and evolutionary direction of a population.

Fitness

The ability of an organism to survive and reproduce in its environment, often influencing the genetic makeup of future generations.