You may get consumers who want very high quality services satisfied, but at a higher price. And the people who want no-frills service and cheap product will also get it at the other end of the market. So petition allows a range of variety to occur in a market. The benefit to society of petition is that it makes a major contribution to the fundamental economic issue, which is the scarcity of productive resources. It means that on the production side, there is maximum pressure to conserve the use of those scarce productive resources. On the demand side it also rations consumer demand appropriately, and it also tends to mean that the variety of consumer needs can be met. From the first paragraph of the passage we can know that usually there are