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Basic Question 0 of 10
If we use an AR (1) model to specify a time series (quarterly data), the correct equation that includes a seasonal lag is:
B. xt = b0 + b1 xt-1 + b2 xt-4 + εt.
C. xt = b0 + b1 xt-1 + b2 xt-4.
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. |
I used your notes and passed ... highly recommended!
Lauren
Learning Outcome Statements
explain the use of value at risk (VaR) in measuring portfolio risk;
compare the parametric (variance -covariance), historical simulation, and Monte Carlo simulation methods for estimating VaR;
estimate and interpret VaR under the parametric, historical simulation, and Monte Carlo simulation methods;
describe advantages and limitations of VaR;
describe extensions of VaR;
CFA® 2025 Level II Curriculum, Volume 5, Module 41.