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Basic Question 0 of 5

If we use an AR (1) model to specify a time series (quarterly data), the correct equation that includes a seasonal lag is:

A. xt = b0 + b1 xt-1 + εt.
B. xt = b0 + b1 xt-1 + b2 xt-4 + εt.
C. xt = b0 + b1 xt-1 + b2 xt-4.
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User Contributed Comments 1

User Comment
akirchner1 'Quarterly' is key here which is why t-4 is used. Can't forget the error term though.
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I used your notes and passed ... highly recommended!
Lauren

Lauren

Learning Outcome Statements

define par and forward rates, and calculate par rates, forward rates from spot rates, spot rates from forward rates, and the price of a bond using forward rates

CFA® 2025 Level I Curriculum, Volume 4, Module 9.