?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Herrera+Araujo&rft.aufirst=Daniel+Andres&rft.date=9+September+2015&rft.title=Essays+on+Environmental+economics%2C+Health+economics+and+Industrial+organization