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-the-model delta and out-of-the-model delta and gamma are studied. An explicit formula is provided for in-the-model delta. The out …-of-the-model delta and gamma are equivalent to partial derivatives with respect to discount factors. In particular cases the derivative …
Persistent link: https://www.econbiz.de/10005623541
This paper provides an overview of (1) the basics of employee stock option backdating; (2) why firms and individuals may engage in backdating; (3) the difficulties in examining option backdating in Canada as well as a Canadian case study of option backdating; (4) implications of backdating; and...
Persistent link: https://www.econbiz.de/10011110438
Recent corporate scandals around the world have led many to single out executive stock options as one of the main culprits. More corporations are abandoning stock options and reverting to restricted stock. This paper argues that such a change is not entirely justifiable. We first provide a...
Persistent link: https://www.econbiz.de/10005623489
In this paper, on the basis of stochastic volatility (SV) models, we extend the approach of option pricing for … effects of the book-to market ratio, stock price volatility, executive shareholding proportion, and the leverage ratio are …
Persistent link: https://www.econbiz.de/10011240787
This study investigates whether regulations have an independent effect on bank risk-taking or whether their effect is channeled through the market power possessed by banks. Given a well-established set of theoretical priors, the regulations considered are capital requirements, restrictions on...
Persistent link: https://www.econbiz.de/10005087503
The article examines the determinants of banks’ charter value and its disciplining effect on bank risk-taking since the mid-1990s. The analysis indicates that deposit and loan market concentration exert a significant effect on charter value, suggestive of a strong link between competition and...
Persistent link: https://www.econbiz.de/10008497675
Several emerging countries’ jurisdictions are going to implement Basel II prudential directives. For this reason, it is interesting to ask if capital regulation effectively contributed to strengthen banks operating in emerging markets. Throughout this paper we will attempt to give an answer to...
Persistent link: https://www.econbiz.de/10008681017
above regulatory capital requirement) might have opened up more space for bank managers to taking risky positions while … relationship between RWA and CAR suggests that the way the managers of Islamic banks behave towards risky assets follows the …
Persistent link: https://www.econbiz.de/10011107480
Two 'order effects' may emerge in dynamic tournaments with information feedback. First, participants adjust effort across stages, which could advantage the leading participant who faces a larger 'effective prize' after an initial victory (leading-effect). Second, participants lagging behind may...
Persistent link: https://www.econbiz.de/10010897347
We analyze a two-stage game between two heterogeneous players. At stage one, common risk is chosen by one of the players. At stage two, both players observe the given level of risk and simultaneously invest in a winner-take-all competition. The game is solved theoretically and then tested by...
Persistent link: https://www.econbiz.de/10005785871