Answer:
Economics of scope.
Explanation:
Economies of scope can easily described to be situations in which the long-run average and marginal cost of a company, organization, or economy decreases, due to the production of some complementary goods and services. An economy of scope means that the production of one good reduces the cost of producing another related good.
Economies of scope differ from economies of scale, in that the former means producing a variety of different products together to reduce costs while the latter means producing more of the same good in order to reduce costs by increasing efficiency.