The market has an ultimate level of economics. Islam considers the existence of a market mechanism to ensure that the market can move to be perfect. However, the fact is that there are often market distortions caused by the behavior of sellers. So Islam sees the importance of government intervention in price fixing. The benefit of this research is to examine the concept of market mechanisms and price fixing in the Islamic economy from the perspective of Imam Al-Ghazali and Ibn Taimiyah. The conceptual thinking of the market mechanism according to Imam Al-Ghazali, especially the factors that influence and based on this price theory on the market mechanism due to the law of supply and demand. Al-Ghazali explained that the government's duty is...