Konsep Pemikiran Ekonomi Dan Kebijakan Pasar Dalam Perspektif Yahya Bin Umar Dan Relevansinya Pada Sistem Ekonomi Modern

This paper will explain the contribution of Yahya bin Umar's economic thinking regarding role state in economy market. Umar had contributed his thoughts 9th century AD. According to him, regulating market and prices goods was not very dominant, because intervened if mechanism price experienced monopolistic practices such as ihtikar, cartels hoarding goods. So, is indispensable for controlling benefit welfare society. Keywords: thinking, market,,Ihtikar (hoarding goods) Tasy'ir (pricing)