Econometrics-Autoregressive Linear Regression (ISS (Statistical Services) Statistics Paper III): Questions 1 - 6 of 6

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Question number: 1

» Econometrics » Autoregressive Linear Regression

Appeared in Year: 2015

Essay Question▾

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Write down the auto correlation function of order k. For an AR (1) model X t =0.7X t-1t, where {ϵ t} is a white noise process. Show that this model can be expressed as a moving average process of infinite order. Check the model of stationary.

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Question number: 2

» Econometrics » Autoregressive Linear Regression

Appeared in Year: 2011

Essay Question▾

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Discuss second order autoregressive series. For this series, obtain complementary function (CF) only.

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Question number: 3

» Econometrics » Autoregressive Linear Regression

Appeared in Year: 2011

Essay Question▾

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Let , - ∞ < t < ∞, where are i, i. d. with and . Show that the process is stationary with correlation.

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Question number: 4

» Econometrics » Autoregressive Linear Regression

Appeared in Year: 2011

Essay Question▾

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For the auto-regressive scheme , show that if e is a random variable and the series is long, then

and hence show that, variance of the generated series may be much greater than that of e itself.

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Question number: 5

» Econometrics » Autoregressive Linear Regression

Appeared in Year: 2012

Short Answer Question▾

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Obtain the general solution of first-order auto-regression model.

Question number: 6

» Econometrics » Autoregressive Linear Regression

Appeared in Year: 2013

Essay Question▾

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Obtain the complementary function and particular integral of first order regressive model. Show that is a moving average of random elements with weights,

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