In September 2009, G20 representatives called for introducing a minimum leverage ratio as an instrument of financial regulation. It is supposed to assure a certain degree of core capital for banks, independent of the controversial procedures used to assess risk. This paper discusses the...

The emergence of so-called "decentralised finance" (DeFi) and a shadow financial system of cryptocurrency exchanges and stablecoin issuers raises the challenge of how to apply technology-neutral regulation so that similar risks are subject to the same rules. This paper makes the case for...

The global financial crisis underlined that sound and effective bank regulation is vital to financial stability. Assessments of the global financial crisis invariably point to ineffective finance regulation and supervision as the main reasons for the onset of the crisis and its severity. In...

In this paper, we investigate how the introduction of complex, model-based capital regulation affected credit risk of financial institutions. Model-based regulation was meant to enhance the stability of the financial sector by making capital charges more sensitive to risk. Exploiting the...

In this paper, we investigate how the introduction of complex, model-based capital regulation affected credit risk of financial institutions. Model-based regulation was meant to enhance the stability of the financial sector by making capital charges more sensitive to risk. Exploiting the...

After the destructive impact of the global financial crisis of 2008, many believe that pre-crisis financial market regulation did not take the "big picture" of the system suffciently into account and, subsequently, financial supervision mainly "missed the forest for the trees". As a result, the...

The financial crisis has generated fundamental reforms in the financial regulatory system in the U.S. and internationally. Much of this reform was in direct response to the weaknesses revealed in the precrisis system. The new “macroprudential” approach to financial regulations focuses on...

We investigate the risk taking incentives of "stressed banks" - the banks that are subject to annual regulatory stress tests in the U.S. since 2011. We document that stress tests effectively encourage prudent investment from stressed banks through regulatory monitoring, but also provide them...