We study the nature of peer effects in the market for new cell phones. Our analysis builds on de-identified data from Facebook that combine information on social networks with information on users' cell phone models. To identify peer effects, we use variation in friends' new phone acquisitions...

This paper studies the peer effect of iPhone adoptions in China. We use a unique data set of iPhone adoption records from a provincial capital city in China, in a span of over four years starting from iPhone's first introduction to mainland China. We construct a social network using six month's...

Since the introduction of the iPhone in 2007, smartphones have become an integrated part of human life. Smartphones are excellent tools that help us access information, coordinate journeys, connect with friends and family, and much, much more. However, in parallel with the proliferation of...