Showing 1 - 10 of 119
order belief", on asset price volatility. The paper shows that heterogeneous expectations induce higher order beliefs and … that heterogeneous expectation asset pricing models thoretically generate more volatility than rational expectation models … results shows that a model with higher order beliefs generates a level of volatility in line with the price volatility …
Persistent link: https://www.econbiz.de/10005857785
In this paper the performance of locally risk-minimizing hedge strategies for European options in stochastic volatility … large class of diffusion-type stochastic volatility models, and they are as easy to implement as usual delta hedges. Our … simulation results on model risk show that the locally risk-minimizing hedges are robust with respect to uncertainty and even …
Persistent link: https://www.econbiz.de/10005858246
arguably a superior proxy to credit risk than bond spreads. The variables considered include fixed-income as well as equity … markets data. We thus provide an international analysis of corporate credit risk, and some results on sovereign risk. Simple … bond spreads when pricing credit risk. …
Persistent link: https://www.econbiz.de/10005859382
Over the period 2002 to 2003, Switzerland and the European Union (EU) were engaged in negotiations regarding banking secrecy. The EU's stated goal was for Switzerland to abolish banking secrecy. Switzerland refused and offered to impose a withholding tax on interest income instead. The two...
Persistent link: https://www.econbiz.de/10005858368
This paper presents a new method to detect informed trading activities in the options markets.An option trade is identified as informed when it is characterized by an unusual largeincrement in open interest and volume, induces large gains, and is not hedged in the stock market.For the period...
Persistent link: https://www.econbiz.de/10005868704
This paper develops a real options framework to analyze the behavior of stock returns in mergers and acquisitions. In this framework, the timing and terms of takeovers are endogenous and result from value-maximizing decisions. The implications of the model for abnormal announcement returns are...
Persistent link: https://www.econbiz.de/10005858239
chain and which accounts for default and liquidity risk. A representation of the bond price dynamics, which separates three … different types of risk, was obtained. Introducing the risk of systematic changes in the market liquidity added more risks. A …
Persistent link: https://www.econbiz.de/10005858310
In this paper, we extend the earlier results of Jeanblanc and Valchev (2003) in the single name case to the case of multiple defaults of the issuers in a concentrated industry or homo- geneous bond market. We provide solutions for the pairwise default correlations and credit spreads in an...
Persistent link: https://www.econbiz.de/10005858812
hedging. We use martingale arguments to provide upper and lower bounds, in terms of bounds on the correlation, for the value V …
Persistent link: https://www.econbiz.de/10005857735
existence and uniqueness of a solution. We give explicit examples of volatility coeffcients satisfying the required assumptions …
Persistent link: https://www.econbiz.de/10005858204