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Socio-demographic determinants of planning suicide and marijuana use among youths: are these patterns of behaviour causally related?

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Author Info

  • Rosa Duarte

    (Department of Economic Analysis, Faculty of Economics and Business Studies, Universidad de Zaragoza)

  • José Julián Escario

    (Department of Economic Analysis, Faculty of Economics and Business Studies, Universidad de Zaragoza)

  • José Alberto Molina

    ()
    (Department of Economic Analysis, Faculty of Economics and Business Studies, Universidad de Zaragoza)

Abstract

We analyse whether there is a causal relationship between planning suicide and marijuana use among US youths. To that end, we specify a simultaneous probability model which is estimated by maximum likelihood using the YRBS (1999 and 2001). We place emphasis on a number of socio-demographic risk determinants (gender, age, ethnicity, environmental and peer group factors). Our results confirm that marijuana use and planning suicide are not the result of a single determinant, but rather emerge from a complex interaction of many socio-demographic factors. Moreover, they suggest the presence of reverse causality, with this implying that marijuana use increases the probability of planning suicide and, similarly, that youths who plan to commit suicide exhibit a higher probability of using marijuana.

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Bibliographic Info

Paper provided by Facultad de Ciencias Económicas y Empresariales, Universidad de Zaragoza in its series Documentos de Trabajo with number dt2013-03.

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Date of creation: Mar 2013
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Handle: RePEc:zar:wpaper:dt2013-03

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Related research

Keywords: Socio-Demographic determinants; Planning suicide; Marijuana use; Youths; Causality;

This paper has been announced in the following NEP Reports:

References

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  1. Duarte, Rosa & Escario, Jose Julian & Molina, Jose Alberto, 2006. "Marijuana consumption and school failure among Spanish students," Economics of Education Review, Elsevier, vol. 25(5), pages 472-481, October.
  2. John Mullahy, 1997. "Instrumental-Variable Estimation Of Count Data Models: Applications To Models Of Cigarette Smoking Behavior," The Review of Economics and Statistics, MIT Press, vol. 79(4), pages 586-593, November.
  3. Fred Pampel, 1996. "Cohort size and age-specific suicide rates: A contingent relationship," Demography, Springer, vol. 33(3), pages 341-355, August.
  4. José -Alberto Molina & Rosa Duarte, 2006. "Suicide Attempts Among Adolescents," American Journal of Economics and Sociology, Wiley Blackwell, vol. 65(2), pages 407-434, 04.
  5. Smith, Richard J & Blundell, Richard W, 1986. "An Exogeneity Test for a Simultaneous Equation Tobit Model with an Application to Labor Supply," Econometrica, Econometric Society, vol. 54(3), pages 679-85, May.
  6. Ana Isabel Gil & Jose Alberto Molina, 2007. "Human development and alcohol abuse in adolescence," Applied Economics, Taylor & Francis Journals, vol. 39(10), pages 1315-1323.
  7. Rosa Duarte & Jose-Julian Escario & Jose-Alberto Molina, 2011. "'Me, my classmates and my buddies': analysing peer group effects on student marijuana consumption," Education Economics, Taylor & Francis Journals, vol. 19(1), pages 89-105.
  8. Vijay K. Mathur & Donald G. Freeman, 2002. "A theoretical model of adolescent suicide and some evidence from US data," Health Economics, John Wiley & Sons, Ltd., vol. 11(8), pages 695-708.
  9. Escario, Jose Julian & Molina, Jose Alberto, 2004. "Modeling the optimal fiscal policy on tobacco consumption," Journal of Policy Modeling, Elsevier, vol. 26(1), pages 81-93, January.
  10. J. J. Escario & J. A. Molina, 2004. "Will a special tax on tobacco reduce lung cancer mortality? Evidence for EU countries," Applied Economics, Taylor & Francis Journals, vol. 36(15), pages 1717-1722.
  11. Amemiya, Takeshi, 1978. "The Estimation of a Simultaneous Equation Generalized Probit Model," Econometrica, Econometric Society, vol. 46(5), pages 1193-1205, September.
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