… Leitner Working Paper 2010-12 Judicial Ingroup Bias in the Shadow of Terrorism Moses Shayo (The Hebrew University and … The Impact of a Bottom-Up Approach on Tax Morale and the Shadow Economy Benno Torgler (The School of Economics and … Department of Finance) PDF Leitner Working Paper 2007-03 Shadow Economy, Tax Morale, Governance and INstitutional …