ECB Working Paper – Banking on assumptions? How banks model deposit maturities
Author(s):Lara Coulier, Cosimo Pancaro, Livia Pancotto & Alessio Reghezza Date:November, 2025 Abstract: How do banks manage the behavioural maturity of non-maturing deposits (NMDs)? Using a rich and confidential dataset, we investigate how banks model deposit maturities based on internal assumptions. Although NMDs are contractually floating-rate liabilities with zero maturity, banks reallocate them across different maturity[…]