There is an increase in demand for academic courses in Islamic finance . What 's more , the ethical principles underpinning Islamic finance are seen by some as offering a more sustainable alternative to profit-oriented conventional banking . Some believe Islamic banking principles could have avoided the crisis . Islamic banks do not charge interest or principal in mortgage - backed securities . Some principles are similar to those used for ethical investments .
There is an increase in demand for academic courses in Islamic finance . Some believe Islamic banking principles could have avoided the crisis . Islamic banks do not charge interest or principal in mortgage - backed securities . Some principles are similar to those used for ethical investments .