There is considerable debate in Islamic economics literature on what shall be the correct response and attitude towards mainstream economics methodology. There are three varied responses among Islamic economists regarding the issue. The first response is to use the methodology of mainstream economics in Islamic economics as is. The second response is to modify it according to the needs and the context of Islamic framework. The third response is to discard it altogether and devise a new methodological framework from scratch.
Both the absence of broad based wealth taxes and the legal decree of allowing compound interest on money capital are the prime sources of wealth concentration. If both are corrected, capitalists would not be able to systematically exploit in competitive markets.