we could display the impact of introducing much more of the variable resource, say labor, to a fixed amount of money and see what happens to output. For demonstration applications in economics, we frequently make https://www.youtube.com/watch?v=-nQTR6bXhfU&list=PLZ3DkIWtVYetfvXsAvY04--yisQJg2WWI&index=9&pp=iAQB