विधियों की तुलना करें
चुनी हुई विधियों की आमने-सामने समीक्षा करें; भिन्नता वाली पंक्तियाँ रेखांकित हैं।
| EGARCH मॉडल (घातीय GARCH)× | क्वांटाइल रिग्रेशन× | |
|---|---|---|
| क्षेत्र | अर्थमिति | अर्थमिति |
| परिवार | Regression model | Regression model |
| उद्भव वर्ष≠ | 1991 | 1978 |
| प्रवर्तक≠ | Daniel B. Nelson | Koenker & Bassett |
| प्रकार≠ | Volatility / conditional variance model | Conditional quantile regression |
| मौलिक स्रोत≠ | Nelson, 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 ↗ |
| उपनाम≠ | Exponential GARCH, EGARCH, Nelson EGARCH, log-GARCH | conditional quantile regression, regression quantiles, Kantil Regresyon |
| संबंधित≠ | 6 | 5 |
| सारांश≠ | The Exponential GARCH (EGARCH) model, introduced by Nelson (1991), extends the standard GARCH framework by modelling the logarithm of conditional variance. This ensures variance is always positive without parameter constraints and, crucially, allows negative and positive shocks to have asymmetric effects on volatility — capturing the well-known leverage effect in financial markets. | 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. |
| ScholarGateडेटासेट ↗ |
|
|