Quasi differences in Yt are defined as a. $\quad Y _ { t } - Y _ { t - 1 }$.
b. $Y _ { t } - \phi _ { 1 } Y _ { t - 1 }$.
c. $\Delta Y _ { t } - \phi _ { 1 } Y _ { t - 1 }$.
d. $\quad \phi _ { 1 } \left( Y _ { t } - Y _ { t - 1 } \right)$.

Name: Quasi differences in Yt are defined as a. $\quad Y _ { t } - Y _ { t - 1 }$. b. $Y _ { t } - \phi _ { 1 } Y _ { t - 1 }$. c. $\Delta Y _ { t } - \phi _ { 1 } Y _ { t - 1 }$. d. $\quad \phi _ { 1 } \left( Y _ { t } - Y _ { t - 1 } \right)$.
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Question

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The Answer is B

Quasi Differences in Yt Are Defined as A Yt−Yt−1\quad Y _ { t } - Y _ { t - 1 }Yt​−Yt−1​

Quasi Differences in Yt Are Defined as A $\quad Y _ { t } - Y _ { t - 1 }$