Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Scale now trumps differentiation. by Marshall W. Van Alstyne, Geoffrey G. Parker and Sangeet Paul Choudary Back in 2007 the five major mobile-phone manufacturers—Nokia, Samsung, Motorola, Sony ...

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