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Regression modelEconometrics / time series

Modeli ya EGARCH (Exponential GARCH)

Modeli ya Exponential GARCH (EGARCH), iliyoanzishwa na Nelson (1991), inapanua mfumo wa kawaida wa GARCH kwa kuunda logariti ya kiwango cha kutofautiana kwa masharti. Hii huhakikisha kutofautiana huwa chanya bila vikwazo vya kigezo na, kwa muhimu, huruhusu mshtuko hasi na chanya kuwa na athari zisizo sawa kwenye mgeuko — ikikamata athari ya kujiinua inayojulikana katika masoko ya fedha.

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Vyanzo

  1. Nelson, D. B. (1991). Conditional heteroskedasticity in asset returns: A new approach. Econometrica, 59(2), 347–370. DOI: 10.2307/2938260
  2. Bollerslev, T. (1986). Generalized autoregressive conditional heteroskedasticity. Journal of Econometrics, 31(3), 307–327. DOI: 10.1016/0304-4076(86)90063-1

Jinsi ya kunukuu ukurasa huu

ScholarGate. (2026, June 3). Exponential Generalized Autoregressive Conditional Heteroscedasticity Model. ScholarGate. https://scholargate.app/sw/econometrics/egarch-model

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ScholarGateEGARCH model (Exponential Generalized Autoregressive Conditional Heteroscedasticity Model). Imepatikana 2026-06-15 kutoka https://scholargate.app/sw/econometrics/egarch-model · Seti ya data: https://doi.org/10.5281/zenodo.20539026