Most nations have institutionalised a system known as fractional reserve banking, under which banks hold liquid assets equal to only a portion of their current liabilities.
Many practitioners have found that effective programs to recover corruptly acquired assets often use a coordinated package of criminal and civil measures to secure and recover assets.
Thus, the spouse given custody (or the spouse with the greater share of residence time in the case of joint custody), may receive assets to compensate their greater child-care expenses.