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Koziol, Christian; Koziol, Philipp; Schön, Thomas - 2014

Correlated defaults and systemic risk are clearly priced in credit portfolio securities such as CDOs or index CDSs. In this paper we study an extensive CDX data set for evidence whether correlated defaults are also present in the underlying CDS market. We develop a cash flow based top-down...

Persistent link: https://www.econbiz.de/10010405475

The home bias in equities and distribution costs

Harms, Philipp; Hoffmann, Mathias; Ortseifer, Christina - 2010

We show that including distribution costs into a general equilibrium model of international portfolio choice contributes to explaining the “home bias” in international equity investment. Our model is able to replicate observed investment positions for a wide range of parameter values, even...

Persistent link: https://www.econbiz.de/10008779855

Market timing, maturity mismatch, and risk management : evidence from the banking industry

Ruprecht, Benedikt; Entrop, Oliver; Kick, Thomas; … - 2013

-balance-sheet exposure and interest rate swap use. Our findings show that both decisions are substitute risk management strategies. A higher … swap use. Exogeneity tests indicate that both decisions are only endogenous to each other for banks that start using swaps … compliance with the interest rate risk regulation. Although hedging motives dominate, we find selective hedging behavior in swap …

Persistent link: https://www.econbiz.de/10010248947

Systematic risk of CDOs and CDO arbitrage

Hamerle, Alfred; Liebig, Thilo; Schropp, Hans-Jochen - 2009

"Arbitrage CDOs" have recorded an explosive growth during the years before the outbreak of the financial crisis. In the present paper we discuss potential sources of such arbitrage opportunities, in particular arbitrage gains due to mispricing. For this purpose we examine the risk profiles of...

Persistent link: https://www.econbiz.de/10003891104

Granularity adjustment for Basel II

Gordy, Michael B. (contributor); … - 2007

The credit value-at-risk model underpinning the Basel II Internal Ratings-Based approach assumes that idiosyncratic risk has been diversified away fully in the portfolio, so that economic capital depends only on systematic risk contributions. We develop a simple methodology for approximating the...

Persistent link: https://www.econbiz.de/10003415403

Modelling dynamic portfolio risk using risk drivers of elliptical processes

Schmidt, Rafael (contributor); … - 2007

The situation of a limited availability of historical data is frequently encountered in portfolio risk estimation, especially in credit risk estimation. This makes it, for example, difficult to find temporal structures with statistical significance in the data on the single asset level. By...

Persistent link: https://www.econbiz.de/10003477096

Do specialization benefits outweigh concentration risks in credit portfolios of German banks?

Böve, Rolf; Düllmann, Klaus; Pfingsten, Andreas - 2010

Lending specialization on certain industry sectors can have opposing effects on monitoring (including screening) abilities and on the sectoral concentration risk of a credit portfolio. In this paper, we examine in the first part if monitoring abilities of German cooperative banks and savings...

Persistent link: https://www.econbiz.de/10008701994

Endogenous credit derivatives and bank behavior

Pausch, Thilo (contributor) - 2007

Instruments for credit risk transfer arise endogenously from and interact with optimizing behavior of their users. This is particularly true with credit derivatives which are usually OTC contracts between banks as buyers and sellers of credit risk. Recent literature, however, does not account...

Persistent link: https://www.econbiz.de/10003608811

Sector concentration in loan portfolios and economic capital

Düllmann, Klaus (contributor); … - 2006

The purpose of this paper is to measure the potential impact of business-sector concentration on economic capital for loan portfolios and to explore a tractable model for its measurement. The empirical part evaluates the increase in economic capital in a multi-factor asset value model for...

Persistent link: https://www.econbiz.de/10003391659

Asset correlations and credit portfolio risk : an empirical analysis

Düllmann, Klaus (contributor); … - 2007

In credit risk modelling, the correlation of unobservable asset returns is a crucial component for the measurement of portfolio risk. In this paper, we estimate asset correlations from monthly time series of Moody's KMV asset values for around 2,000 European firms from 1996 to 2004. We compare...

Persistent link: https://www.econbiz.de/10003546029