One economic question is deciding how to produce. That meansbusinesses need to make decisions on what types of productionsystems and what types of inputs to use. The isoquant/isocost modelallows us to conceptualize the answer(s) a business might have forthe question of how to produce. The relative price inputs plays arole in answering the question of how to produce.
There may appear to be times when a firm does not appear toadjust input use to changes in relative prices of inputs. Explainwhy this might be the case.
