Jan C. van Ours, "Cannabis, cocaine and jobs", Journal of Applied
Econometrics, Vol. 27, No. 7, 2006, pp. 897-917.

The data used in this paper were collected by the Centre for Drug Research
(CEDRO) of the University of Amsterdam (www.cedro-uva.org) in 1994, 1997 and
2001. 

Information about the data is given in: 

Abraham, M.D., H. L. Kaal, and P.D.A. Cohen (2003) Licit and illicit drug
use in Amsterdam: 1987-2001, Amsterdam, CEDRO, University of Amsterdam
(www.cedro-uva.org/lib/abraham.licit.html). 

The data are the property of the SCO-Kohnstamm Instituut
(www.sco-kohnstamminstituut.uva.nl/English.htm), who do not permit open
access to the data. The data are held at this institute. Enquiries
concerning access should be addressed to the director of the Instituut:

  J.J. Prein,
  SCO-Kohstamm Instituut,
  Wibautstraat 4,
  1091 GM Amsterdam,
  The Netherlands

  tel +31 20 5251538
  fax +31 20 5251200
  J.J.Prein [AT] uva.nl

Jan C. van Ours
vanours [AT] uvt.nl