Classical Approach to Zero-Inflated Dynamic Panel Ordered Probit Model with an Application in Drug Abuse

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dc.contributor.authorKung’u, John
dc.contributor.authorOdongo, Leo
dc.contributor.authorKube, Ananda
dc.date.accessioned2023-06-08T12:55:49Z
dc.date.available2023-06-08T12:55:49Z
dc.date.issued2022
dc.descriptionresearch articleen_US
dc.description.abstractThe Zero inflated ordered categorical data with time series structure are often a characteristic of behavioral research attributed to non-participation decision and zero consumption of substance such as drugs among the participants. The existing Semi-parametric zero inflated dynamic panel probit model with selectivity have exhibited biasness and inconsistency in estimators as a result of poor treatment of initial condition and exclusion of selectivity in the unobserved individual effects respectively. The model assumed that the cut points are known to address heaping in the data and therefore cannot be used when the cut points are unknown. In this paper, a Zero inflated dynamic panel ordered probit models have been developed to address the above challenges. Average partial effects that presents the impacts on the specific probabilities per unit change in the covariates are also given. Since the solutions are not of closed form, Maximum likelihood estimation based on Newton Raphson algorithm was used to estimate the parameters of the model. A Monte Carlo study was carried out to investigate some theoretical properties of the estimators in the models. The study found that the Zero inflated dynamic panel ordered probit models with independent and correlated error terms produced consistent estimators. The Zero inflated dynamic panel ordered probit models with independent and correlated error terms had more accurate estimators than the Dynamic panel ordered probit model. The Zero inflated dynamic panel ordered probit model with correlated error terms fitted the National Longitudinal Survey of Youth 1997 better than Zero inflated dynamic panel ordered probit model with independent error terms and Dynamic panel ordered probit model. The Zero inflated dynamic panel ordered probit model with independent error terms fitted the National Longitudinal Survey of Youth 1997 better the Dynamic panel ordered probit model.en_US
dc.identifier.citationJohn Kung’u, Leo Odongo, Ananda Kube. Classical Approach to Zero-Inflated Dynamic Panel Ordered Probit Model with an Application in Drug Abuse. American Journal of Theoretical and Applied Statistics. Vol. 11, No. 2, 2022, pp. 58-74. doi: 10.11648/j.ajtas.20221102.11en_US
dc.identifier.issn2326-9006
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/25717
dc.language.isoenen_US
dc.publisherscience publishing groupen_US
dc.subjectCorrelated Zero Inflated Dynamic Panel Ordered Probit Model (ZIDPOPC)en_US
dc.subjectState Dependenceen_US
dc.subjectUnobserved Heterogeneityen_US
dc.subjectInitial Condition Problemen_US
dc.titleClassical Approach to Zero-Inflated Dynamic Panel Ordered Probit Model with an Application in Drug Abuseen_US
dc.typeArticleen_US
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