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	समय-परिवर्तनीय पैरामीटर क्वांटाइल-ऑन-क्वांटाइल (TVP-QQ) रिग्रेशन	क्वांटाइल-ऑन-क्वांटाइल (क्यूक्यू) रिग्रेशन
क्षेत्र	अर्थमिति	अर्थमिति
परिवार	Regression model	Regression model
उद्भव वर्ष	2015–2019	2015
प्रवर्तक	Extension of Sim & Zhou (2015) QQ framework; TVP adaptation by subsequent applied econometricians	Sim and Zhou
प्रकार	Nonparametric time-varying quantile regression	Nonparametric quantile regression
मौलिक स्रोत	Sim, N., & Zhou, H. (2015). Oil prices, US stock return, and the dependence between their quantiles. Journal of Banking & Finance, 55, 1–8.	Sim, N., & Zhou, H. (2015). Oil prices, US stock return, and the dependence between their quantiles. Journal of Banking and Finance, 55, 1-8.
उपनाम	TVP-QQ regression, time-varying QQ regression, dynamic quantile-on-quantile regression, TVP quantile-on-quantile	QQ regression, QQ approach, quantile-on-quantile approach, nonparametric quantile regression
संबंधित	2	6
सारांश	TVP-QQ regression extends the quantile-on-quantile (QQ) framework by allowing the slope coefficients to evolve over time. It maps how the quantiles of a predictor variable affect the quantiles of an outcome differently across the joint distribution and across different time periods, uncovering dynamic, heterogeneous dependence structures that standard regression cannot detect.	Quantile-on-quantile regression is a nonparametric technique that estimates how the quantiles of one variable depend on the quantiles of another. By combining standard quantile regression with local linear smoothing, it produces a full two-dimensional surface of slope coefficients indexed by both the quantile of the outcome and the quantile of the predictor, revealing heterogeneous and asymmetric dependency structures invisible to standard regression.