The pioneer of economics. Ibn Khaldoun

What is distinctive about Ibn Khaldun's political, social, economic, cultural and educational theories is that most of them are applicable in all times and places... Ibn Khaldun is also considered the first international thinker to see the importance of economics for politics, as he says: "The state and the Sultan are the greatest market in the world... If the Sultan withholds goods, money and revenues, or they are lost and does not spend them in their banks, then there will be less in the hands of the courtiers and the protectors, and their expenses will decrease, and they are the majority of buyers, and the markets will be abandoned... Profits will also fall and weaken." Products, so levies decrease because levies and taxes come from agriculture, trade, good trade, commercial transactions, and people's demand for benefits and profits, and this results in a deficiency for the state due to the lack of levies resulting from a decrease in the wealth of the ruler or the state..."