TY - JOUR A1 - Ni, Shawn A1 - Ratti, Ronald A. TI - Heterogeneous Parameter Uncertainty and the Timing of Investment during Crisis PY - 2009/01/22 JA - Economics: The Open-Access, Open Assessment E-Journal VL - 3 IS - 2009-12 UR - http://www.economics-ejournal.org/economics/discussionpapers/2009-12 ER -