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Basic Question 0 of 16

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.

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 passed! I did not get a chance to tell you before the exam - but your site was excellent. I will definitely take it next year for Level II.
Tamara Schultz

Tamara Schultz

Learning Outcome Statements

explain the rationale for using present value models to value equity and describe the dividend discount and free-cash-flow-to-equity models

calculate and interpret the intrinsic value of an equity security based on the Gordon (constant) growth dividend discount model or a two-stage dividend discount model, as appropriate

identify characteristics of companies for which the constant growth or a multistage dividend discount model is appropriate

explain advantages and disadvantages of each category of valuation model

CFA® 2025 Level I Curriculum, Volume 3, Module 8.