Notes, Comments and Preliminary results Apr 09 2021 Omid Zamani , Mohammad Reza Farzanegan , Jens-Peter Loy and Majid Einian   The Impacts of Energy Sanctions on the Black-Market Premium: Evidence from Iran   Abstract  Contact Information  Citation  Full Text  -  Note   Aug 14 2013 Andreas Buehn and Mohammad Reza Farzanegan   Impact of education on the shadow economy: Institutions matter   Abstract  Contact Information  Citation  Full Text  -  Note