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Stochastická teorie katastrof
Vošvrda, Miloslav ; Voříšek, Jan
The so called Cusp deterministic catastrophe model extends the classical linear regression adding nonlinearity into a model. A property of a stochatic catastrophe model connected with stochastic differential equation could be described by density, which is known in closed-form only in stationary case. The approximation of the transition density is done here by finite difference metod.
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Modelování vkusu na finančních trzích
Vácha, Lukáš ; Vošvrda, Miloslav
Heterogeneous agents model with the stochastic forecasts formation is considered. Fundamentalists rely on their model employing fundamental information basis to forecast the next price period. Chartists determine whether current conditions call for the acquisition of fundamental information in a forward looking manner rather than relying on the past performance. This paper shows an influence of the mood change on the financial market structure. This feature is simulated by changing of the forecast structure trend.
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