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20
The Russian option: Reduced regret
 Ann. Appl. Probab
, 1993
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Cited by 74 (3 self)
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Surfing as a Real Option
"... One of the predominant modes of accessing information in the World Wide Web consists in surfing from one document to another along hypermedia links. We have studied the dynamics of Web surfing within an economics context by considering that there is value in each page that an individual visits, and ..."
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Cited by 12 (1 self)
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One of the predominant modes of accessing information in the World Wide Web consists in surfing from one document to another along hypermedia links. We have studied the dynamics of Web surfing within an economics context by considering that there is value in each page that an individual visits, and that clicking on the next page assumes that the information will continue to have some value. Within this formulation an individual will continue to surf until the expected cost of continuing is perceived to be larger than the expected value of the information to be found in the future. This problem is similar to that of a real option in financial economics. We consider the options viewpoint as a descriptive theory of information foraging by Internet users, and we show how it leads to a kind of “law of surfing ” which has been verified experimentally in several large independent datasets. But the real options perspective, which is by now a wellestablished field in financial economics, may also provide a rich normative model for designing rational Internet agents.
Solving nonlinear optimal stopping problems by the method of timechange
, 2000
"... Some nonlinear optimal stopping problems can be solved explicitly by using a common method which is based on timechange. We describe this method and illustrate its use by considering several examples dealing with Brownian motion. In each of these examples we derive explicit formulas for the valu ..."
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Cited by 5 (3 self)
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Some nonlinear optimal stopping problems can be solved explicitly by using a common method which is based on timechange. We describe this method and illustrate its use by considering several examples dealing with Brownian motion. In each of these examples we derive explicit formulas for the value function and display the optimal stopping time. The main emphasis of the paper is on the method of proof and its unifying scope.
OPTIMAL STOPPING OF A BROWNIAN BRIDGE
"... Abstract. We study several optimal stopping problems in which the gains process is a Brownian bridge or a functional of a Brownian bridge. Our examples constitute natural finite horizon optimal stopping problems with explicit solutions. 1. ..."
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Cited by 3 (0 self)
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Abstract. We study several optimal stopping problems in which the gains process is a Brownian bridge or a functional of a Brownian bridge. Our examples constitute natural finite horizon optimal stopping problems with explicit solutions. 1.
AN EXPERIMENTAL MATHEMATICS PERSPECTIVE ON THE OLD, AND STILL OPEN, QUESTION OF WHEN TO STOP?
"... “You got to know when to hold em, know when to fold em, know when to walk away... ” ..."
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Cited by 2 (0 self)
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“You got to know when to hold em, know when to fold em, know when to walk away... ”
EXPLICIT CHARACTERIZATION Of OPTIMAL STOPPING TIMES
, 1977
"... A large class of continuous time optimal stopping problems is shown to have solutions explicitly determined by roots of equations xH(x) = I where H involves Laplace transforms. These results motivate the specification of discrete time optimal stopping problems whose solutions are approximated by so ..."
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Cited by 1 (1 self)
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A large class of continuous time optimal stopping problems is shown to have solutions explicitly determined by roots of equations xH(x) = I where H involves Laplace transforms. These results motivate the specification of discrete time optimal stopping problems whose solutions are approximated by solutions to corresponding continuous time problems, making rigorous a procedure sometimes employed in the literature. A fairly selfcontained treatment of continuous time optimal stopping is also included, albeit for highly structured situations.
Quantized Interest Rate at The Money for American Options
"... Abstract: In this work, we use the Bachelier stochastic differential equation as our model for the stock price movement. We assume an investor has entered into an American call option contract such an investor would want the stock price to end up above K (strike price) in order to get a positive exp ..."
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Abstract: In this work, we use the Bachelier stochastic differential equation as our model for the stock price movement. We assume an investor has entered into an American call option contract such an investor would want the stock price to end up above K (strike price) in order to get a positive expected future payoff. We assume also the stock price to be below K and moving it way up into the deep in the money state a. Then we use martingale, supermartingale, and Markov and Ito calculus to obtain a Bacheliertype of the BlackScholesMerton equation which we hedge to obtain by comparison the time independent Schroedinger equation in Quantum Mechanics. Finally, we solve the time independent Schroedinger equation for the interest rate and the expected future payoff of the stock holder at the money, X (t) = K.
Performance Under A Priori Response Knowledge
"... We consider a decisionresponse model based on a Brownian bridge process, and evaluate the response performance by knowing in advance the response at the end of the time period; as a consequence we deduce the relative efficiency of responses. ..."
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We consider a decisionresponse model based on a Brownian bridge process, and evaluate the response performance by knowing in advance the response at the end of the time period; as a consequence we deduce the relative efficiency of responses.
1 General Ideas
"... Abstract: A method is proposed to solve optimal stopping problems. Several examplesclassical and new ones are discussed. Especially the values of American options (straddle and strangle) with infinite horizon are calculated. ..."
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Abstract: A method is proposed to solve optimal stopping problems. Several examplesclassical and new ones are discussed. Especially the values of American options (straddle and strangle) with infinite horizon are calculated.