Notions 21
A whole strand of the literature has developed on assessing TBTF and pricing
it. The main results of this literature can be summarized as follows:
• Systemic risk (1.6) grows with bank size (Laeven etal., 2016).
• A bank’s size, relative to the size of the entire banking system, has a large
positive and non- linear eect on the probability of public sector interven-
tion for a bank (Rose and Wieladek, 2012, on the case of UK banks).
• There is an element of subsidy, in the form of lower nancing costs, in being
recognized as TBTF. This subsidy is sizeable: it was estimated at 80 basis
points in 2009 (Ueda and Weder di Mauro, 2013). However, it has declined
in the post- crisis era (a conservative estimate of 35 basis points for sy ...