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Persistence of suicides in G20 countries: SPSM approach to three generations of unit root tests

Izunna Anyikwa (), Nicolene Haaman () and Andrew Phiri ()
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Izunna Anyikwa: Department of Economics, Nelson Mandela University
Nicolene Haaman: Department of Economics, Nelson Mandela University

No 1825, Working Papers from Department of Economics, Nelson Mandela University

Abstract: Suicides represent an encompassing measure of psychological well-being, emotional stability as well as life satisfaction and have been recently identified by the World Health Organization (WHO) as a major global health concern. The G20 countries represent the powerhouse of global economic governance and hence possess the ability to influence the direction of global suicide rates. In applying the sequential panel selection method (SPSM) to three generations of unit root testing procedures, the study investigates whether G20 countries should be concerned with possible persistence within suicide rates. The results obtained from all three generation of tests provide rigid evidence of persistence within the suicides for most member states of the G20 countries hence supporting the current strategic agenda pushed by the WHO in reducing suicides to a target rate of 10 percent. In addition, we further propose that such strategies should emulate from within G20 countries and spread globally thereafter.

Keywords: Suicides; sequential panel selection method (SPSM); nonlinear unit root tests; Fourier form unit root tests; G20 countries (search for similar items in EconPapers)
JEL-codes: C22 C32 C51 C52 I12 (search for similar items in EconPapers)
Pages: 33 pages
Date: 2018-07
New Economics Papers: this item is included in nep-hap and nep-hea
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http://repec.mandela.ac.za/RePEc/mnd/wpaper/paper.1825.pdf First version, 2018 (application/pdf)

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