Autori:
Paruolo, Paolo ,
Abadir, Karim Titolo:
On efficient simulation in dynamic modelsPeriodico:
Università degli Studi dell'Insubria. Dipartimento di Economia. Quaderni di ricercaAnno:
2007 - Fascicolo:
9 - Pagina iniziale:
1 - Pagina finale:
24Ways of improving the efficiency of Monte-Carlo (MC) techniques are studied for
dynamic models. Such models cause the conventional Antithetic Variate (AV) technique
to fail, and will be proved to reduce the benefit from using Control Variates with nearly
nonstationary series. This paper suggests modifications of the two conventional variance
reduction techniques to enhance their efficiency. New classes of AVs are also proposed.
Methods of reordering innovations are found to do less well than others which rely
on changing some signs in the spirit of the traditional AV. Numerical and analytical
calculations are given to investigate the features of the proposed techniques.
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