TY - JOUR A1 - Marco G. Ercolani TI - Hidden Economies and the Socially Optimal Fiscal-Tax to Liquidity-Tax Ratio PY - 2007/06/28 JA - Economics: The Open-Access, Open Assessment E-Journal VL - 1 IS - 2007-6 UR - http://www.economics-ejournal.org/economics/journalarticles/2007-6 ER -