Asymptotic distributions of some test statistics in near-integrated AR processes are studied. Some exact formulas for the distribution functions are given as well as approximative results obtained by saddlepoint approximation techniques.
机构:
Nicolaus Copernicus Univ, Fac Math & Comp Sci, Ul Chopina 12-18, PL-87100 Torun, PolandNicolaus Copernicus Univ, Fac Math & Comp Sci, Ul Chopina 12-18, PL-87100 Torun, Poland
机构:
Univ Nova Lisboa, Fac Sci & Technol, Dept Math, P-2829516 Caparica, PortugalUniv Nova Lisboa, Fac Sci & Technol, Dept Math, P-2829516 Caparica, Portugal
Coelho, Carlos A.
Marques, Filipe J.
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机构:
Univ Nova Lisboa, Fac Sci & Technol, Dept Math, P-2829516 Caparica, PortugalUniv Nova Lisboa, Fac Sci & Technol, Dept Math, P-2829516 Caparica, Portugal