@Article{economics.ja.2009-33,
 author = {Colombo, Stefano},
 title = {On the Effects of Selective Below-Cost Pricing in a Vertical Differentiation Model},
 journal = {Economics: The Open-Access, Open-Assessment E-Journal},
 volume = {3},
 year = {2009},
 number = {2009-33},
 doi = {10.5018/economics-ejournal.ja.2009-33}, 
 url = {http://dx.doi.org/10.5018/economics-ejournal.ja.2009-33}
}