Answer:
d. The presence or absence in a nation of supplier industries and related industries that are internationally competitive
Step-by-step explanation:
Related and supporting industries can be described as upstream and downstream industries which bring about innovation via exchanging ideas.
In an economy, upstream industries are reliable supplier of inputs to a company, while downstream industries assist a company in marketing and distributing its products.
The absence or presence of the related and supporting industries usually have effect on the success of a company in a country.