It is widely recognized that standard likelihood–based inference suffers from the presence of nuisance parameters. This problem is particularly relevant in the context of Mixing–Data Sampling (MIDAS) models, when volatility forecasting is the research topic and where often covariates’ data are sampled at a different (usually f the MIDAS terms brings together the presence of nuisance parameters that under the null hypothesis are not identifiable. This circumstance interferes with the asymptotic distribution of the common statistical tests employed in this framework. In particular, the asymptotic distribution is no more a χ2 distribution. The present paper proposes a bootstrap likelihood ratio (BLR) test to overcome this problem, simulating the likelihood ratio test distribution. Using a Monte Carlo experiment, he proposed BLR test presents quite good performances in terms of the test’s size and power.

Hypotheses testing in mixed–frequency volatility models: a bootstrap approach / Candila, Vincenzo; Petrella, Lea. - (2021), pp. 1413-1418. ((Intervento presentato al convegno SIS 2021 tenutosi a Pisa.

Hypotheses testing in mixed–frequency volatility models: a bootstrap approach

Candila Vincenzo
;
Lea Petrella
2021

Abstract

It is widely recognized that standard likelihood–based inference suffers from the presence of nuisance parameters. This problem is particularly relevant in the context of Mixing–Data Sampling (MIDAS) models, when volatility forecasting is the research topic and where often covariates’ data are sampled at a different (usually f the MIDAS terms brings together the presence of nuisance parameters that under the null hypothesis are not identifiable. This circumstance interferes with the asymptotic distribution of the common statistical tests employed in this framework. In particular, the asymptotic distribution is no more a χ2 distribution. The present paper proposes a bootstrap likelihood ratio (BLR) test to overcome this problem, simulating the likelihood ratio test distribution. Using a Monte Carlo experiment, he proposed BLR test presents quite good performances in terms of the test’s size and power.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11573/1562863
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