Bankacılık ve Finans Bölümü
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Browsing Bankacılık ve Finans Bölümü by Subject "Asymptotic Distribution"
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Article Non-Linear Unit Root Testing With Arctangent Trend: Simulation and Applications in Finance(Taylor & Francis As, 2018) Ozel, Ozgur; Ilalan, Deniz; 234617; 01. Çankaya Üniversitesi; 03.01. Bankacılık ve Finans; 03. İktisadi ve İdari Birimler FakültesiWe consider arctangent as the logistic function and compute the asymptotic critical values of the related non-linear unit root test via Monte Carlo simulation. While doing so, we got inspiration from some pioneering articles and use first-order Taylor approximation. We observe that this newly proposed test exhibits higher power than some well-known linear and non-linear tests. We apply our test to some stock indexes and find out that a non-linear arctangent trend can be at stage, rather than a linear unit root process.
