Dummy for Halloween-Effect

For technical questions regarding estimation of single equations, systems, VARs, Factor analysis and State Space Models in EViews. General econometric questions and advice should go in the Econometric Discussions forum.

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Nip
Posts: 1
Joined: Sun Nov 27, 2011 7:48 am

Dummy for Halloween-Effect

Postby Nip » Sun Nov 27, 2011 7:56 am

Hi,

I have to test the halloween-effect in Eviews. The halloween-effect means that the returns in the time november-april are higher than in the time from mai-oktober.

What is the right equation for this ?

My proposal is:

Return=c(1)+c(2)*(@month>=11 or @month<=4)

Is this correct ?

EViews Gareth
Fe ddaethom, fe welon, fe amcangyfrifon
Posts: 13604
Joined: Tue Sep 16, 2008 5:38 pm

Re: Dummy for Halloween-Effect

Postby EViews Gareth » Sun Nov 27, 2011 1:06 pm

Yes, that will enter a dummy for Nov. - April.

nic
Posts: 7
Joined: Tue Nov 22, 2011 8:40 am

Re: Dummy for Halloween-Effect

Postby nic » Mon Nov 28, 2011 9:27 pm

Hi,

I have to test the halloween-effect in Eviews. The halloween-effect means that the returns in the time november-april are higher than in the time from mai-oktober.

What is the right equation for this ?

My proposal is:

Return=c(1)+c(2)*(@month>=11 or @month<=4)

Is this correct ?
Yes. If C(2) is significantly positive, you will have Halloween effect. Alternatively, you can model without intercept and insert two dummies one for Nov-April and another for may to Oct.Keep in mind, Eviews do no generate F statistics in this case. This is the case of regression through origin.


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