The first-order autoregressive AR(1) is defined as:
$
y_t = \varepsilon_t + 0.25y_{t-1}
$
Using the Yule-Walker equation, compute the autocorrelation of the AR(1). | Financial Risk Manager Part 1 Quiz - LeetQuiz
Financial Risk Manager Part 1
Explanation:
From the Yule-Walker equation,
ρt=φt=0.251
The first period autocorrelation = 0.25
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The first-order autoregressive AR(1) is defined as:
yt=εt+0.25yt−1
Using the Yule-Walker equation, compute the autocorrelation of the AR(1).
