They have identified four major parameters for assessing whether a financial institution is systemically important viz., its size, its complexity, its interconnectedness, the lack of readily available substitutes for the financial infrastructure it provides. Financial sector regulators in each jurisdiction are expected to identify SIFIs within their jurisdiction and make suitable laws, regulations and rules that would apply to those entities.
BIS central bankers’ speeches  11  D–3. Limitation of monetary easing under the program  The third factor contributing to a perceived lack of credibility was associated with the eroding effectiveness of monetary easing under the Program.