franchising and the alternative contracts to organise vertical restraints evidence from agency econometrics within french networks magali chaudey muriel fadairo univ st etienne fr abstract in case is one of four types sharing a same brand name there hierarchy these categories accordance with degree restriction imposed on retailer aim this paper explain why choose contract more precisely they opt for integration section 2 highlights relevance theory incentives principal agent paradigm study generally addition provides an overview 3 develops econometrical data test argument explaining 4 contains concluding remarks keywords retailers intrabrand externality ordered probit jel classification numbers l42 c25 l14 introduction