2)  Executives and traders who are compensated on deals done basis should never get their shares immediately after the completion of the transaction. There should be a vesting period to make sure that the profits are not illusory. 3)  Compensation schemes based on deals done should be symmetrical. That is to say, when failures ensue, penalty should be imposed.
This is to avoid the one way traffic of paying out enormous rewards once the transaction has been completed while the responsible staff would come out unscathed when the deal turns sour later. To avoid another financial tsunami, a financial institution should adopt a check and balance approach in management. In the heyday, deal makers in a financial institution are the golden boys.