In both the subprime crisis and the euro-area crisis, regulators imposed bans on short sales, aimed mainly at preventing stock price turbulence from destabilizing financial institutions. Contrary to the regulators' intentions, financial institutions whose stocks were banned experienced greater...

Financial supervision focuses on the aggregate (macroprudential) in addition to the individual (microprudential). But an agreed framework for measuring and addressing financial imbalances is lacking. We propose a holistic approach for the financial system as a whole, beyond banking. Building on...

I develop a model where the sovereign debt capacity depends on the capitalization of domestic banks. Low-capital banks optimally tilt their government bond portfolio toward domestic securities, linking their destiny to that of the sovereign. If the sovereign risk is sufficiently high,...

Certain growth-promoting policies can have negative side-effects by increasing the vulnerability of economies to financial crises. Typical examples are greater openness to financial flows or more liberalised financial markets. This paper investigates whether the growth benefits of policy reforms...

The global crisis of 2008-09 went in hand with sharp fluctuations in capital flows. To some extent, these fluctuations may have been attributable to uncertainty-averse investors indiscriminately selling assets about which they had poor information, including those in geographically distant...

The paper empirically examines the implementation record of international financial regulation of the banking sector. The study finds that the size of the banking sector and the presence of global systemically important banks (G-SIBs) are positively associated with a stronger implementation...