As a result, it is essential that the Islamic financial industry recognizes  BIS Review 166/2009  1  that the crisis has lessons which apply to them as well as to conventional financial institutions. The first lesson that the industry might usefully learn is the importance of avoiding what might be termed “straight line thinking”.
This is the tendency to assume that what held true of recent years will hold true in future as well. For example, the fact that the economy has grown for the last five years at the rate of six or seven percent, leads to the conclusion that it will continue to grow at the same rate indefinitely in the future.