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Kipimo cha Mizizi ya Unit ya Phillips-Perron Inayobadilika Wakati

Kipimo cha mizizi ya unit ya PP kinachobadilika wakati kinapanua kipimo cha kawaida cha Phillips-Perron kwa kuruhusu mgawo wa kiwango cha kurudi nyuma kubadilika kwa wakati. Kinagundua kutokuwa na utulivu wa bahati nasibu katika mfululizo ambao uvumilivu wao unaweza kubadilika kati ya vipindi au nyakati, kikitoa uhakika wa kuaminika zaidi wakati mabadiliko ya kimuundo yanaposhukiwa katika mchakato wa kutoa data.

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Kipimo cha Mizizi ya Unit ya Phillips-Perron Inayobadilika Wakati
Jaribio la Usimamishaji…Kipimo cha Phillips-Perr…Kipimo cha Mizizi ya Kit…

Vyanzo

  1. Phillips, P. C. B., & Perron, P. (1988). Testing for a unit root in time series regression. Biometrika, 75(2), 335-346. DOI: 10.1093/biomet/75.2.335
  2. Hall, S. G., & Luginbuhl, R. (1999). Modelling structural breaks in unit root tests using time-varying parameter models. Journal of Economic Dynamics and Control, 23(2), 209-231. link

Jinsi ya kunukuu ukurasa huu

ScholarGate. (2026, June 3). Time-Varying Parameter Phillips-Perron Unit Root Test. ScholarGate. https://scholargate.app/sw/econometrics/time-varying-parameter-pp-unit-root-test

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ScholarGateTime-varying parameter PP unit root test (Time-Varying Parameter Phillips-Perron Unit Root Test). Imepatikana 2026-06-15 kutoka https://scholargate.app/sw/econometrics/time-varying-parameter-pp-unit-root-test · Seti ya data: https://doi.org/10.5281/zenodo.20539026