When people say that a specific industry is valued at whatever they say it’s valued at, how do they know that? Ex: “The global coffee industry is valued at $450 Billion”

Question

When people say that a specific industry is valued at whatever they say it’s valued at, how do they know that? Ex: “The global coffee industry is valued at $450 Billion”

In: 20

Answer 1

Depends on the context. In my marketing course it meant how much consumers spend in the industry per year