Economic policies and nancial stability 273
and 3). Market speculation about the creditworthiness of some governments led
to increases in sovereign yields, mark- to- market losses on banks’ portfolios of
sovereign bonds, increases in their nancing costs and nally to higher interest
rates on loans to rms and households (Bank for International Settlements, 2011).
What are the drivers of banks’ domestic sovereign debt exposures?
− The literature focuses on banks’ risk- shifting incentives in their portfolio al-
location decisions. Banks prefer the risk prole of domestic sovereign bonds
because, as default risk increases, domestic bank equity holders can shift the
associated ex post losses to bank creditors (Acharya and Steen, 2015) or,