Economist tell stories as the vending machine story: -to show how their theory can predict a least one real-world situation -as a way of rigorously testing economic theory -in order to breath life...

Economist tell stories as the vending machine story: -to show how their theory can predict a least one real-world situation -as a way of rigorously testing economic theory -in order to breath life into economic theory and personalize abstract ideas -because doing so is a required part of the scientific method - because economics is an art, not a science what is the right answer?