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Thibitisho la Thamani ya Hatari (Matarajio ya Upungufu)×Mfumo wa ARIMA (Autoregressive Integrated Moving Average)×Exponential GARCH (EGARCH)×Regression ya Kiasi (Quantile Regression)×
NyanjaFedhaEkonometrikiEkonometrikiEkonometriki
FamiliaRegression modelRegression modelRegression modelRegression model
Mwaka wa asili2000201519911978
MwanzilishiRockafellar & Uryasev (2000); Acerbi & Tasche (2002)Box & Jenkins (Box-Jenkins methodology)NelsonKoenker & Bassett
AinaCoherent tail-risk measureUnivariate time-series modelConditional volatility model (asymmetric GARCH variant)Conditional quantile regression
Chanzo asiliaRockafellar, R. T. & Uryasev, S. (2000). Optimization of Conditional Value-at-Risk. Journal of Risk, 2(3), 21-41. DOI ↗Box, G. E. P., Jenkins, G. M., Reinsel, G. C. & Ljung, G. M. (2015). Time Series Analysis: Forecasting and Control (5th ed.). Wiley. ISBN: 978-1118675021Nelson, D. B. (1991). Conditional Heteroskedasticity in Asset Returns: A New Approach. Econometrica, 59(2), 347-370. DOI ↗Koenker, R. & Bassett, G., Jr. (1978). Regression Quantiles. Econometrica, 46(1), 33-50. DOI ↗
Majina mbadalaCVaR, expected shortfall, average value-at-risk, tail VaRBox-Jenkins model, ARIMA(p,d,q), ARIMA Modeliexponential GARCH, Nelson's EGARCH, asymmetric GARCH, EGARCH — Üstel GARCHconditional quantile regression, regression quantiles, Kantil Regresyon
Zinazohusiana5545
MuhtasariConditional Value-at-Risk (CVaR), also called Expected Shortfall, is a coherent tail-risk measure that quantifies the conditional expectation of losses beyond the Value-at-Risk threshold. It was introduced for optimization by Rockafellar and Uryasev (2000) and shown to be coherent by Acerbi and Tasche (2002), and it has replaced VaR as the regulatory standard under Basel III/IV.ARIMA is a univariate time-series forecasting model that combines autoregressive, integrated (differencing), and moving-average components to predict a single continuous series from its own past. It is the centrepiece of the Box-Jenkins methodology set out in Box, Jenkins, Reinsel & Ljung's Time Series Analysis (5th ed., 2015).EGARCH is an asymmetric GARCH variant, introduced by Nelson in 1991, that models the leverage effect in which bad news raises volatility more than good news of the same size. It captures the negative-shock asymmetry of financial return series by modelling the logarithm of the conditional variance.Quantile regression models conditional quantiles of an outcome - the median, the 25th or 75th percentile, and so on - rather than the conditional mean that OLS targets. Introduced by Koenker and Bassett in 1978, it reveals how predictors act across the whole distribution, including its tails.
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ScholarGateLinganisha mbinu: Conditional Value-at-Risk · ARIMA · EGARCH · Quantile Regression. Imepatikana 2026-06-18 kutoka https://scholargate.app/sw/compare