In this paper we investigate the relationship between changes in risk and changes in leverage for a panel of Swiss banks. Using market data for risk and both accounting and market data for capital for the period between 1990 and 2002, we find a positive correlation between changes in capital and...

We find evidence that the Federal Reserve stress tests (CCAR and DFAST) produce information about the stress-tested firms as well as other, non-stress-tested banking companies. Although standard event studies do not always show abnormal returns for the stress-tested sample on average, we argue...

We analyze securities trading by banks and the associated spillovers to the supply of credit.Empirical analysis has been elusive due to the lack of securities register for banks. We use a unique, proprietary dataset that has the investments of banks at the security level for 2005-2012 in...

Insufficient capital buffers of banks have been identified as one main cause for the large systemic effects of the recent financial crisis. Although higher capital is no panacea, it yet features prominently in proposals for regulatory reform. But how do increased capital requirements affect...

By combining the approaches of Gertler and Karadi (2011) and Bernanke et al. (1999), I develop a DSGE model with leverage constraints both in the banking and in the non-financial firm sector. I calibrate this "full model" to US data. In a world with only a monetary policy and a productivity...