Empirical Evidence on the Role of Nonlinear Wholesale Pricing and Vertical Restraints on Cost Pass-Through
  	  Celine Bonnet ,
  	  Pierre Dubois,
  	  Sofia Villas-Boas,
  	  Daniel Klapper
	Review of Economics and Statistics, 
vol. 95, 2013, p. 500-515.
A Larger Slice or a Larger Pie? An Empirical Investigation of Bargaining Power in the Distribution Channel
  	  Michaela Draganska,
  	  Daniel Klapper,
  	  Sofia Villas-Boas
	Marketing Science, 
vol. 29, 2010, p. 57-74.