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In this paper we test for contagion within the East Asian region, contagion being defined as a significant increase in the degree of co- movement between stock returns in different countries. For this purpose we use a parameter stability test and, following Rigobon (2004), we control for three...
Persistent link: https://www.econbiz.de/10005408168
-Jarrow-Morton (HJM) one factor model with non-stochastic volatility. The formula extends the Jamshidian formula for zero-coupon bonds. We … provide also an explicit way to compute the hedging ratio (Delta) to hedge the option with its underlying. …
Persistent link: https://www.econbiz.de/10005076984
but also that it can be immediately inverted to obtain an explicit formula for implied volatility. In this contribution we …
Persistent link: https://www.econbiz.de/10005077015
A market is considered whose index has strongly price-dependent local volatility. A tractable parametrization of the … volatility is formulated, and option valuation of a stock with two-factor dynamics is investigated. One factor is the market … a set of calls were fitted with a one-factor implied volatility, the calls could not be hedged solely with an offsetting …
Persistent link: https://www.econbiz.de/10005134815
This paper presents international evidence on the use of financial derivatives for a sample of 7,292 non-financial firms from 48 countries including the United States. Across all countries, 59.8% of the firms use derivatives in general, while 43.6% use currency derivatives, 32.5% interest rate...
Persistent link: https://www.econbiz.de/10005134828
Firm value is influenced in many direct and indirect ways by financial risks, which consist of unexpected changes of foreign exchange rates, interest rates and commodity prices. The fact that a significant number of corporations are committing resources to risk management activi-ties is,...
Persistent link: https://www.econbiz.de/10005134866
-varying minimum variance hedge ratios for corn and nickel spot and futures prices. Out-of-sample point estimates of hedging portfolio … variance show that compared to the state-independent BEKK-GARCH model, the RS-BEKK-GARCH model improves out-of-sample hedging …
Persistent link: https://www.econbiz.de/10005407995
composition. We provide explicit formulas within the HJM one-factor models with deterministic volatility together with hedging …
Persistent link: https://www.econbiz.de/10005413062
draw four major conclusions from the results. First, hedging effectiveness using the new crop yield contract depends … using either of the two alone. Third, hedging using price and crop yield futures has a potential to offer benefits larger …
Persistent link: https://www.econbiz.de/10005413077
hog futures price, this paper compares the hedging effectiveness of the live hog futures contract to the hedging potential … hedging instrument for Omaha cash hogs and cash loins. The strongest evidence of this is for the short-term hedging of cash … hogs. For the other three meats, no futures contract demonstrated a clear hedging advantage. …
Persistent link: https://www.econbiz.de/10005413088