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Competition and price dispersion in international long distance calling
Ennis, Sean - 2001
Persistent link: https://www.econbiz.de/10001587875
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A nonparametric analysis of international long-distance demand
Ennis, Sean - 2002
Persistent link: https://www.econbiz.de/10001704317
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Competition and price dispersion in international long-distance calling
Ennis, Sean - In: Journal of regulatory economics 29 (2006) 3, pp. 303-317
Persistent link: https://www.econbiz.de/10003325971