Optimization of estimates and comparison of their efficiency under stochastic methods and its application in financial models
الموضوعات :Kianoush Fathi vajargah 1 , Hamid Mottaghi Golshan 2 , Abbas Arjomandfar 3
1 - Department of Statistics, Islamic Azad University, North branch, Tehran, Iran,
2 - Department of Mathematics, Shahriar Branch, Islamic Azad University, Shahriar, Iran
3 - Department of Mathematics, Yadegar-e-Imam Khomeini (RAH), Shahrerey Branch, Islamic Azad University, Tehran, Iran
الکلمات المفتاحية: random sequence, Quasi-random sequence, Stochastic Differential Equation, (Quasi) Monte Carlo simulation,
ملخص المقالة :
In this paper, first, the stochastic differential equations are introduced as well as the definition and basic theories about Monte Carlo and quasi-Monte Carlo and Sobel and Halton sequences are expressed. Indeed, we introduce and use simulations under these methods to compare the efficiency of the solutions, which the results show that the approximation of the resulting Sobel sequence is much better than other stochastic methods. The comparison of the efficiency of random and quasi-random methods, the geometric Brownian movement and the price index of Tehran stock (equal weight and weight-value) is studied. The results show that the quasi-Monte Carlo method is better than other methods.
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