Today's economic system based on the concept of laissez – faire2 the idea of non - intervention by the state in the marketplace, and relies on "demand and supply" or the invisible hand playing its role. Inevitably, the invisible hand only works at its best in a perfect market that is one in which there is perfect market information, no participants with the market power to set price, no barriers to entry or exit, and equal access to production technology3. In reality, markets are usually imperfect, thus consumers and small players require government aid.