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Quantitative Finance · Glosario

¿Qué es Vector autoregression?

Definition 20.1 Quantitative Methods · Capítulo 20 — Multivariate Series and Cointegration

A vector autoregression of order pp, VAR(pp), models a kk-vector as Yt=c+∑i=1pAiYt−i+εtY_t = c + \sum_{i=1}^pA_iY_{t-i} + \varepsilon_t with εt\varepsilon_t white noise of covariance Σ\Sigma (Sims, 1980). Each equation is estimated by least squares on the same regressors.

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