Concluding clip on using partial differentiation to understand pricing decisions in diversified organisations. (Duration 5 minutes 41 seconds). Part of a series of films from the METAL (Mathematics for Economics: enhancing Teaching and Learning) project that show how partial differentiation and integration are used to gain constructive insights into economics as a discipline. They are fundamental building blocks for a course of mathematics for economics. These video clips and animations can be viewed in isolation, or via the learning pathway links to related materials in a Question Bank.