The article under discussion is above all of enlightening character. The author focuses on the «invented traditions» concept unpopular in Russia. Professional economists are supposed to get acquainted with the concept which may appear to be the key instrument for understanding of the global phenomenon of «retraditionalization», affected elite groups in different countries at the turn of XX-XXI centuries. Islamic economy phenomenon is considered to be the particular case of traditions' construction. Far from being a professional economist, the author analyses the Islamic economy's effectiveness compared to the market «mainstream» economics with much less self-confidence.