This paper identifies the determinants affecting the adolescent populations' decision regarding whether or not to consume illegal drugs. The authors estimate a simultaneous Type II Tobit model for each sample substance, including marijuana, LSD, amphetamines, cocaine, volatile substances, and...

This paper studies the psychosocial behaviour of Spanish smokers between the ages of 14 and 18, with the aim of identifying the factors associated with both the decision to consume tobacco and the quantities to consume. To that end, a Type II Tobit model is used, which is estimated by using data...