Too-Big-to-Fail in Banking - Impact of G-SIB Designation and Regulation on Relative Equity Valuations

The results suggest that the G-SIB designation effect, which positively impacts G-SIBs’ share prices because of funding benefits from IGGs, is dominated by the regulatory G-SIB burden effect, which negatively impacts G-SIBs’ share prices because of lower profitability due to capital surcharges and other regulatory requirements placed on G-SIBs.