As such banks are worried about two aspects in financial dealings: (i) currency mismatch in transaction and (ii) maturity mismatch in their balance sheets – short term deposits versus long term loans. Addressing the first issue is related to currency convertibility in cross border transactions while the second is related to regulatory and macroprudential norms along with the risk taking capacities of the banks.
It may be rooted in hiring procedures, in the deployment of human resources within the firm, or in termination procedures; the latter are made onerous, above all, by the length and cost of possible legal proceedings, which are uncertain  4  BIS Review 52/2006  and frequently very high.