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John Hull

"The problem with interest rates are that you are not modeling a single number, you are modeling a whole term structure, so it is a sort of different type of problem."

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"The problem with interest rates are that you are not modeling a single number, you are modeling a whole term structure, so it is a sort of different type of problem."

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Donna Grant

"The virtues and vices are all put in motion by interest."

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Personal Development

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Donna Grant

"I like zombies, Stephen King also like them.Zombies are pretty interesting creatures,..."

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Personal Development

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Donna Grant

"I had no romantic interest in Gable. I considered him an older man."

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Personal Development

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Donna Grant

"I just started watching KingDom Hospital series by Stephen King - Pretty Interesting Film. I just continue watching the series 11.22.63 incrediable film. It's wonderful that you can go in the past, who doesn't want to do this?"

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Personal Development

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Donna Grant

"When I was young, I just sat down and started playing Chopsticks at the piano. I got so far and then lost interest. Eventually, I regained it and started writing songs."

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Personal Development

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Donna Grant

"In those days, between the ages of 12 and 18 you meant nothing. You were the extra place at the side table if someone came to dinner. You were of no interest to anyone."

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Personal Development

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Donna Grant

"Judaism has always been a strong interest of mine. My two sons speak Hebrew and are familiar with the scriptures and with rabbinic literature. This is the way we live."

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Personal Development

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Donna Grant

"My paintings do not have a center, but depend on the same amount of interest throughout."

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Personal Development

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Donna Grant

"Since the model he so faithfully copies is not going to be hung up next to the picture... it is of no interest whether it is an accurate copy of the model."

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Personal Development

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Donna Grant

"And, since the model he faithfully copies is not going to be hung up next to the picture, since the picture is going to be there on its own, it is of no interest whether it is an accurate copy of the model."

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John Hull
"Our starting point then was trying to find a way to incorporate mean reversion into the HoLee model."

Trying

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John Hull
"We concluded that you cannot rely on delta hedging alone. It sounds simplistic to say that now, but back then, this was the sort of thing people were only just beginning to realize."

People

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John Hull
"Alan White and I spent the next two or three years working together on this. We developed what is known a stochastic volatility model. This is a model where the volatility as well as the underlying asset price moves around in an unpredictable way."

Years

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John Hull
"If each of your time steps is one week long, you are not modeling the stock price terribly well over a one-week time period, because you are saying that there are only two possible outcomes."

Time

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John Hull
"The problem with interest rates are that you are not modeling a single number, you are modeling a whole term structure, so it is a sort of different type of problem."

Interest

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John Hull
"In the interest rate area, traders have for a long time used a version of what is known as Black's model for European bond options; another version of the same model for caps and floors; and yet another version of the same model for European swap options."

Time

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John Hull
"Our research led on to other things, such as the fact that exchange rates are not lognormally distributed."

Fact

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John Hull
"Our tree is actually a tree of the short-term interest rate. The average direction in which the short-term interest rate moves depends on the level of the rate. When the rate is very high, that direction is downward; when the rate is very low, it is upward."

Direction

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John Hull
"There are challenges in terms of the measurement of VAR for what are known as nonlinear derivatives, where things like gamma and vega are important dimensions of the risk."

Risk

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John Hull
"The real challenge was to model all the interest rates simultaneously, so you could value something that depended not only on the three-month interest rate, but on other interest rates as well."

Challenge

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