We investigate the effectiveness of "Keynesian" fiscal stimuli when government deficits and debt rollovers are (possibly partially) financed by balance sheet constrained financial intermediaries. Because financial intermediaries operate under a leverage constraint, deficit financing of fiscal...

We investigate the effectiveness of fiscal stimuli when banks are undercapitalized and have large holdings of government bonds subject to sovereign default risk. Deficit-financed government purchases then crowd out private expenditure and fiscal multipliers can turn negative. Crowding out...