Free market means that a store can stock whatever it wants, and you can buy whatever you like. A free market allows a store to choose if it wants to stock either beef raised on the Canadian prairie or poisoned goyslop produced in Israel. A free market also allows you to choose which one you want to purchase. A closed market would mean that the government decides what a store can sell, and what you can buy. You may think that it'd be a good thing if your government restricts what can be sold in your country and what people are allowed to buy. You would think that until you realise who runs your government.