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Nonparametric tests of the Markov hypothesis in continuous-time models

机译:连续时间模型中马尔可夫假设的非参数检验

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Purpose:To propose a few statistics to test the Markov hypothesis for -mixing stationary process sampled at discrete time intervals.Summary:The proposed tests are based on the Chapman-Kolmogorov (CK) equation. Asymptotic null distributions of the proposed test statistics are established showing that Wilk's phenomenon holds. The power of the test is computed and simulations are provided to investigate finite sample performance of test statistics when the null model is a diffusion process, with alternatives consisting of models with a stochastic mean reversion level, stochastic volatility and jumps. (30 refs.)
机译:目的:提出一些统计数据,以检验在离散时间间隔内采样的混合平稳过程的马尔可夫假设。摘要:所提出的检验基于查普曼-科尔莫哥罗夫(CK)方程。建立拟议的检验统计量的渐近零分布,表明威尔克现象成立。当零模型为扩散过程时,将计算测试的功效并提供仿真以调查测试统计数据的有限样本性能,其备选方案包括具有均值随机回复水平,随机波动率和跳跃的模型。 (30篇)

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