In Part I, we traced how the West borrowed Islamic financial instruments — Mudharabah, Hawala, Sakk, Waqf, Zakat, Hisbah — rebranded them, removed the ethics, and sold them back to the world. But the theft did not stop at instruments. It extended to the entire intellectual architecture underneath them: the scholars, the theories, the institutional designs, the very vocabulary of commerce.
This is Part II. This is about the thinkers they do not put on syllabuses. The institution they do not teach in public finance courses. The economic philosophy that pre-dates Adam Smith, John Maynard Keynes, and Milton Friedman — not by decades, but by centuries.
A free market. With a conscience. Built by people who believed that commerce itself was an act of worship — and that cheating in it was a sin against God.
Islam does not merely permit free markets. It encourages them — with a precision that Western economists would not articulate until the 18th century, and an ethical framework they have still not matched.
The Prophet Muhammad ﷺ — himself an accomplished merchant who had led trade caravans to Syria — understood the market from the inside. When drought struck Madinah and traders demanded price controls, his response was unambiguous:
This is free-market theory in seven Arabic words. Prices are determined by the forces Allah placed in creation — supply, demand, scarcity, abundance. The state does not distort them. It protects them.
Imam Al-Ghazali wrote: "Let the souk of this world do no injury to the souks of the Hereafter, and the souks of the Hereafter are the mosques." The market and the mosque operate under the same moral code. There is no split between commercial life and spiritual life in Islam.
Al-Ghazali's core ethical teaching was deceptively simple: a person's behaviour should remain consistent whether they are in a mosque, at home, or in the market. This is the only economic philosophy that has ever seriously attempted to solve the principal-agent problem through character formation rather than regulation.
The Bait-ul-Maal — literally "House of Wealth" — was the central treasury of the Islamic state. Not a revenue collection mechanism for the ruling class. A redistributive institution: wealth flowed in from Zakat, Jizya, Kharaj, Fay, and Ghanimah, and flowed out to the poor, the indebted, the traveller, the orphan, and the infrastructure of the Ummah.
Under Hazrat Umar ibn al-Khattab (RA), it became a full institution — with departments, record-keeping, and distribution registers. It paid salaries to scholars, funded campaigns without borrowing, built public infrastructure, and maintained a safety net for citizens that no government at that time could match.
Under Hazrat Umar ibn Abd al-Aziz (RA), Zakat collectors returned the funds — they could find no one poor enough to receive them. An entire civilisation had been made financially whole through institutional design rooted in faith.
Most people understand Zakat as an Islamic obligation. Fewer know that it is older than Islam as a formal religion. The Quran states that Zakat was commanded to Hazrat Ibrahim (AS) and his followers (Surah al-Ma'arij, 70:25-26), that Hazrat Ismail (AS) practised it (Surah Maryam, 19:55-56), and that Jews (Surah al-Baqarah, 2:84) and Christians (Surah Maryam, 19:31-32) were all taught this concept.
The theological foundation: the wealthy are not the real owners of their wealth. They are trustees. The actual owner of all resources is Allah (SWT). Wealth accumulated beyond one's needs carries within it the right of the poor — not as charity, but as a claim.
Modern governments tax income. Islam taxed surplus wealth — the idle accumulation that does nothing but compound. The 2.5% was not taken from what you earned. It was taken from what you held without using, year after year.
Every economics student reads Adam Smith. Almost none read the scholars who said the same things — centuries earlier, with greater precision, and with an ethical framework the West never matched.
Abu Yusuf authored Kitab al-Kharaj — the Book of Land Taxation — the world's first systematic treatise on public finance. His argument: all economic activities that benefit the community are a responsibility of the government. The state cannot favour one segment over another. This is the philosophical foundation of the welfare state — articulated in 8th century Baghdad, not 20th century London.
Ibn Taimiya rejected laissez-faire economics six centuries before the term existed. He argued it was the duty of the state to intervene in the market — not to control it, but to protect it from monopolists, hoarders, speculators, and price manipulators. Milton Friedman argued against this in 1962. Ibn Taimiya had already answered him in 1300.
In Al-Muqaddimah (1377 AD), Ibn Khaldun articulated the labour theory of value before Marx, supply and demand dynamics before Marshall, and the relationship between taxation and output — the very argument Arthur Laffer drew on a napkin in 1974. Laffer has acknowledged this lineage. The curve that carries his name was Ibn Khaldun's logic six centuries earlier.
Al-Ghazali's framework for what corrupts markets maps almost perfectly onto every financial crisis of the modern world:
ثریا سے زمیں پر آسماں نے ہم کو دے مارا
The intellectual borrowing did not stop at ideas. It extended to language itself.