Question

If consumers are using health care services at a higher rate than in the past, health care providers will need to purchase more inputs, ranging from X-ray machines to bandages. This represents ________.

Answer 1

I believe the answer is: derived demand
derived demand refers to the demand for a certain product that only exist because of the increase of demand in another product.
For example, a demand in Programmers job market increased due to the increase of demand in consumer software. In this case, demand for programmers is considered as derived demand.