Showing 1 - 8 of 8
The jump-diffusion model introduced by Merton is used to price a cross- section of options at different dates. At any point in time, the parameters of the model are estimated by minimizing the sum of squared implied volatility errors, and their informational content is compared with the widely...
Persistent link: https://www.econbiz.de/10005609384
to the subprime mortgage crisis in the U.S.) to March 30, 2012. We assess the extent to which time-varying volatility and …
Persistent link: https://www.econbiz.de/10011099609
We study the problem of extracting the state price densities from the market prices of listed options. Adapting a model of Madan and Milne to a multiple expiration setting, we present an estimation method for the risk-neutral probability at a moving horizon of fixed length. With the exception of...
Persistent link: https://www.econbiz.de/10005113632
This paper uses Garch models to estimate the objective and risk-neutral density functions of financial asset prices and, by comparing their shapes, recover detailed information on economic agents' attitudes toward risk. It differs from recent papers investigating analogous issues because it uses...
Persistent link: https://www.econbiz.de/10005113677
We use a macroeconomic euro area model with a bank sector to study the pro-cyclical effect of the capital regulation, focusing on the extra pro-cyclicality induced by Basel II over Basel I. Our results suggest that this incremental effect is modest. We also find that regulators could offset the...
Persistent link: https://www.econbiz.de/10008692070
Many studies have questioned the reliability of banks� calculations of risk-weighted assets (RWA) for prudential purposes. The significant divergences found at international level are taken as indicating excessive subjectivity in the current rules governing banks� risk measurement and...
Persistent link: https://www.econbiz.de/10011100415