What is Demand?

Demand best describes a persons desire to pay for a certain good or a service. And as the law of supply and demand goes the more a service or good is demanded the bigger the price is going to be not taking in consideration the scarcity of the product.

Now days before any new product or service is released on the market companies do research and check how much demand exists out there. If the figures are not correct then there might be money left over or a serious losses may occur. Also there are tricks with what companies can artificially increase demand, a perfect example might be mints and bad breath.