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The ad hoc Black-Scholes (AHBS) model is one of the most widely used option valuation models among practitioners models. The main contribution of this study is methodological. We have two main results: (1) we make the empirical observation that typically the call and put sneers are discontinuous...
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In this paper, we study the role of the volatility risk premium for the forecasting performance of implied volatility …. We introduce a non-parametric and parsimonious approach to adjust the model-free implied volatility for the volatility … adjusted implied volatility significantly outperforms other models, including its unadjusted counterpart. Our main finding …
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This paper develops a methodology to test whether recent developments on world oil markets are in line with the hypothesis of efficient markets. We treat the joint hypothesis problem as stated by Fama (1970), Fama (1991), that market efficiency can only be assessed in conjunction with a price...
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(Casassus and Collin-Dufresne, 2005) and/or stochastic volatility (Nielsen and Schwartz, 2004; Richter and Sørensen, 2006 …
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