Under the Single Supervisory Mechanism (SSM) introduced in 2014, the European Central Bank directly supervises significant euro area banks, which hold about 82% of total banking assets. We find that this important supervisory change has positive effects on the return on assets and the return on...

Under the Single Supervisory Mechanism (SSM), introduced in 2014, systemically important euro area banks with combined assets of about 21,000 billion euros are directly supervised by the ECB. We examine from a static and a dynamic perspective how this fundamental shift to unified supervision...

Motivated by public policy debates about bank consolidation and conflicting theoretical predictions about the relationship between the market structure of the banking industry and bank fragility, this paper studies the impact of bank concentration, bank regulations, and national institutions on...

We examine the impact of bank supervision on the financing obstacles faced by almost 5,000 corporations across 49 countries. We find that firms in countries with strong official supervisory agencies that directly monitor banks tend to face greater financing obstacles. Moreover, powerful official...

This paper uses our new database on bank regulation and supervision in 107 countries to assess the relationship between specific regulatory and supervisory practices and banking-sector development, efficiency, and fragility. The paper examines: (i) regulatory restrictions on bank activities and...

This paper explains that financial safety nets exist because of difficulties in enforcing contracts and shows that elements of deposit-insurance schemes differ substantially across countries. It argues that differences in the design of financial safety nets correlate significantly with...

This paper outlines what problems asymmetric information creates for the financial system and shows and shows that the presence of asymmetric information explains why banks are so important. The paper then goes on to explain why prudential supervision of these institutions is needed, and what...

In this paper and the associated online database, we provide new data and measures of bank regulatory and supervisory policies in 180 countries from 1999 to 2011. The data include and the measures are based upon responses to hundreds of questions, including information on permissible bank...