Dear Jack,
Please find attached the revised script that uses gig.
Please also find attached the gfn file that can take bundles of estimated
GARCH (1,1) and GJR(1,1) models and produce News Impact Curves.
Credit to Mery Mertzanidou.
regards
Theo
On Wed, 3 Jun 2026 at 17:56, Riccardo (Jack) Lucchetti <
p002264(a)staff.univpm.it> wrote:
On 03/06/2026 16:37, Theodoros Panagiotidis wrote:
Dear All,
Please find attached a script that estimates GARCH and GJR models and then
creates a *news impact curve* from both.
Credit to Mery Mertzanidou.
regards
Theo
Very very nice, thanks (and also thanks to Mery).
It would be quite cool to
1. modify the script so the garch model is estimated by using gig for
comparability
2. package this code as a function package that one can use on top of
gig, possibly including more models.
Just sayin'... 😉
-------------------------------------------------------
Riccardo (Jack) Lucchetti
Dipartimento di Scienze Economiche e Sociali (DiSES)
Università Politecnica delle Marche
(formerly known as Università di Ancona)
r.lucchetti(a)univpm.it
http://www2.econ.univpm.it/servizi/hpp/lucchetti
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Theodore Panagiotidis
University of Macedonia
Thessaloniki, Greece
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