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		| First Author:
 
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		| Grazia  Cecere | 
	
		| Telecom Ecole de Management, Institut Mines-Télécom and Université Paris 11, ADIS. | 
	
		| grazia.cecere@telecom-em.eu | 
	
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		| 9 Rue Charles Fourier | 
	
		| Evry, 91000, France | 
	
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		| Second Author: 
 
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		| Nicoletta  Corrocher | 
	
		| KITeS, Bocconi University | 
	
		| nicoletta.corrocher@unibocconi.it | 
	
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		| Via Roentgen 1 | 
	
		| Milan, 20136, Italy | 
	
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