Search found 2 matches

by tosodoulis
Fri Jan 21, 2011 7:33 pm
Forum: Econometric Discussions
Topic: GARCH Models
Replies: 1
Views: 2659

GARCH Models

Does anyone know why might a GARCH type model be preferred to simply calculating the historic standard deviation, when estimating volatility of returns?
by tosodoulis
Fri Jan 21, 2011 7:27 pm
Forum: Econometric Discussions
Topic: Graphs
Replies: 1
Views: 2512

Graphs

How do we plot on the same graph Ft-1 and St, where ft and st are the natural logarithms of Ft(future price) and St(spot price) and the estimable linear regression is St = β₀ + β₁ft-1 + ut.


t and t-1 are indicators but i didn't know how to write it here.

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