Daniel Toro González PhD.
dtgindorg@gmail.com personal email
dtorogonzale@umass.edu at University of Massachusetts, Amherst, MA
dtoro@utb.edu.co at Universidad Tecnológica de Bolívar
https://sites.google.com/site/danieltorogonzalez
http://ssrn.com/author=726231
http://ideas.repec.org/e/pto86.html
http://laberintodatoro.blogspot.com/