150 câu Trắc nghiệm tổng hợp Kinh tế lượng có đáp án (Phần 5)

Consider a series that follows an MA(1) with zero mean and a moving average coefficient of 0.4. What is the value of the autocorrelation function at lag 1?

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Consider a series that follows an MA(1) with zero mean and a moving average coefficient of 0.4. What is the value of the autocorrelation function at lag 1?

0.4

0.34

1

It is not possible to determine the value of the autocovariances without knowing the disturbance variance

Giải thích

Chọn đáp án: B