TY - JOUR A1 - Colombo, Stefano TI - On the Effects of Selective Below-Cost Pricing in a Vertical Differentiation Model PY - 2009/05/06 JA - Economics: The Open-Access, Open Assessment E-Journal VL - 3 IS - 2009-25 UR - http://www.economics-ejournal.org/economics/discussionpapers/2009-25 ER -